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HANABI’s research team leads the development of advanced, eco-friendly lubrication solutions.
Our high-performance formulations deliver reliability under extreme conditions, improving efficiency and durability.
We champion sustainability by using renewable resources and meeting global ESG and environmental standards.
Each product is rigorously tested to international standards (JIS, DIN, ISO) and tailored to client needs.
HANABI drives innovation for a sustainable future and the success of global partners.




Dr. Yasuhiro Murakami
Fellow, Society of Automotive Engineers of Japan: JSAE
Industrial Activities
Activity
-
Organizer of JASO Engine Oil Subcommittee at JSAE (Society of Automotive Engineers of Japan)
-
Chairman of ATF Subcommittee at JAMA (Japan Automobile Manufacturers Association)
-
Vice Chair of ATF Subcommittee at ILSAC
-
Chairman of JASO ATF Subcommittee at JSAE
-
Director of Kanto and Tokai Branches of JSAE
-
Director and Controller of JAST (Japanese Society of Tribologists)
-
Chairman of Research Committee for Tribology of Transmission at JAST
-
Tribology Supervisor at JAST
-
Fellow of JSAE
-
Member of Steering Committee of Senior Club at Kanto Branch of JSME (Japan Society of Mechanical Engineers)

Profession
1980
1999
2008
2020
Entered Nissan Motor Co., Ltd.
Transferred to JATCO TransTechnology Ltd.
-
Part-time teacher of machine designing & drawing at Department of Mechanical Engineering, Faculty of Engineering of Tamagawa University
Joined Afton Chemical Japan Co., Ltd.
Established “Murakami’s Office of Tribology Technologies”

Dr. Takashi Kaimai
PhD. from Lubrication Laboratory of
Imperial College, London
Education & Profession
Education
1968
1972
1974
1983
Graduated from Sendai No. 1 High School.
Graduated from the Petrochemical Department of the Faculty of Engineering at Kyoto University.
Obtained a Master of Engineering degree from the Master's course of the Faculty of Science at Kyoto University.
Obtained a PhD degree from Imperial College, London, UK.

Profession
April 1974
Aug. '76 - Sep. '80
Oct. '80 - Jan. '83
Feb. '83 - Oct. '92
November 1992
Nov. '92 - Jun. '99
July 1999
Jul. '99 - Apr. '09
May '09 - Jun. '10
July 2010
Jul. '10 - Mar. '15
Apr. '15 - May '20
June 2020
Jun. '20 - present
Entered the Technical Research Center of Nippon Mining Co., Ltd. (predecessor of ENEOS Corp.).
Test & Research Laboratory at the Mizushima refinery of Nippon Mining.
Basic research on Tribology at the Imperial College of Science & Technology.
Research Engineer at the Technical Research Center of Nippon Mining.
Company name changed to Nikko-Kyoseki Co., Ltd.
Research Manager at the Kyodo Oil Technical Research Center of Nikko-Kyoseki Co., Ltd.
Company name changed to Japan Energy Corp.
Principal Research Engineer at the Lubricant Laboratory of Japan Energy Corp.
Extended employment with Japan Energy Corp.
Japan Energy Corp. merged with Nippon Oil Co., Ltd. and changed to JX Energy Corp.
Lubricant Planning Dept. At Headquarters of JX Energy Corp.
Working part-time as Senior Advisor at the Consultation Room of JX Energy Corp.
Company name has changed to ENEOS Corp.
Working part-time as Senior Advisor at the Consultation Room of ENEOS Corp.

Hitoshi Hamaguchi
Diploma of the Membership
Imperial College, London
Industrial Activities
Role
Activity
Member
Member
Chairman
Chairman
Chairman
Member
Sub-Leader
Vice Chairman
Member
Member
Sub-Leader
Session Organizer
Session Organizer
Advisor
Member
Session Organizer
Chairman
Chairman
Chairman
Editor
Member
Session Organizer
Member
Member
Member
Member
ISO TC28 Domestic Committee at PAJ [1981-1989]
Engine Oil Subcommittee (JAMA/PAJ) [1983-1989]
Two Cycle Engine Oil WG (JAMA/PAJ) [1991-1994]
Lubricants International Survey Committee at JALOS [1991-2000]
WG for Shear Stability Test Method at JASO ATF Sub-committee [1997-2012]
Organizing Committee for 1999 TVT Symposium at Yokohama, Japan [1998-1999]
WG for Lubricants for Construction Machine at SAE Steering Committee for Asia [1999-2011]
Fuels & Lubricants Technical Committee at JCMA [1999- ]
Organizing Committee for 2002 TVT Symposium at Toyota City, Japan [2000-2002]
Next Generation Vehicle-Energy Committee of JSAE [2001-2012]
WG for establishing quality assessment system of ILSAC ATF in Japan (JAMA/PAJ) [2001-2002]
Organizing Committee for 2003 SAE/JSAE F&L Meeting in Yokohama, Japan [2001-2003]
Organizing Committee for 2004 GFC/SAE F&L Meeting in Toulouse, France [2002-2004]
Organizing Committee for 2005 TVT Symposium at Tsukuba, Japan [2003-2005]
JAMA/PAJ JASO DH-1 Promotion Task Force [2004-2009]
Organizing Committee for 2007 SAE/JSAE F&L Meeting in Kyoto, Japan [2005-2007]
Market Monitoring Panel for DH-1 On-File System (JAMA/PAJ) [2005-2012]
Technical Exhibition Committee for World Tribology Congress IV in Kyoto, Japan [2006-2009]
Fuel Economy Engine Oil Promotion Task Force at JSAE/SAE Asia joint WG [2006-2012]
Lubrication of Industrial Vehicles published by JAST [2009-2012]
JAMA Engine Oil Seminar Taskforce [2009- ]
Session Organizer for 2011 SAE/JSAE F&L Meeting in Kyoto, Japan [2009-2011]
Fuels & Lubricants Committee for SETC 2011 in Sapporo, Japan [2010-2011]
Boundary Lubrication Research Group at JAST [2011- ]
Engine Lubrication Research Group at JAST [2012- ]
Tribology of Transmission Research Group at JAST [2012- ]
Note
SAE
Society of Automotive Engineers (USA)
JSAE
Society of Automotive Engineers, Japan
JAST
Japan Society of Tribologists
JALOS
Japan Lubricating Oil Society
JCMA
Japan Construction Machinery Association
JPI
Japan Petroleum Institute
PAJ
Petroleum Association of Japan
JAMA
Japan Automobile Manufacturers Association
JASO
Japan Automobile Standard Organization
SETC
Small Engine Technology Conference
TVT
Tribology for Vehicle Transmission

Education
1970
1972
1976
1993
Graduated Mechanical Engineering Department at Keio University.
Graduated Master course of the Faculty of Engineering at Keio University obtaining a Master of Engineering degree.
Obtained Diploma of the Membership of the Imperial College, London, UK.
Obtained Doctor degree from the University of Tokyo.
Profession
April, 1972
Apr. – Aug. 1972
Aug., ’72 – Sep., ’75
Oct., ’75 – Oct., ’76
Nov., ’76 – Nov., ’79
Dec., ’79 – Mar., ’83
Apr., ’83 – Mar., ’88
Apr., ’91 – Mar., ’94
Apr., ’94 – Apr., ’96
Aug., 1996
Aug., ’96 – Mar. ’00
Apr., ’00 – Apr., ’08
May, ’08 – Jul., ’12
Aug, ’12 – Jul, ’13
Sep., ’13 –
Graduated Mechanical Engineering Department at Keio University.
Graduated Master course of the Faculty of Engineering at Keio University obtaining a Master of Engineering degree.
Basic research on tribology at Technical Research Center of Nippon Mining.
Basic research on EHL at the Imperial College of Science & Technology.
Engine oil development at Technical Research Center of Nippon Mining.
Planning and production management of Lubricants Department at Head Quarters of Nippon Mining.
Manager, Lubricants Technical Dept. at HQ of Nippon Mining.
General manager, Automotive Lubricants Development Dept. and Lubricants Testing, Evaluation and Analysis Dept. at Technical Research Center of Japan Energy Corp.
Principal Engineer, project leader for business innovation and educational system for employees and dealers, at Head Quarters of Japan Energy.
Joined RohMax Additives GMBH (producer of Viscosity Modifiers).
Technical Marketing Manager, Asia Pacific Region of RohMax.
Area Sales Manager, Japan and Far East Asia and OEM contact for Asia Pacific Region of Evonik Degussa Japan.
OEM Liaison Manager of Evonik Degussa Japan. Team Leader for Automotive Industry Team of Evonik Degussa Japan/Korea.
Senior Technical Advisor of Evonik Oil Additives Asia Pacific.
Technical Advisor of GS Caltex Corporation.

