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TONEN CORP

Overview
  • Total Patents
    3,038
About

TONEN CORP has a total of 3,038 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets basic materials chemistry, environmental technology and macromolecular chemistry and polymers are LANIK IGOR, RENEWABLE LUBRICANTS INC and DONGGUAN PACOIL LUBRICANT CO LTD.

Patent filings per year

Chart showing TONEN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ueki Satoshi 344
#2 Imanishi Kunihiko 192
#3 Taki Noriyuki 183
#4 Tomizawa Hirotaka 162
#5 Ishihara Takeshi 162
#6 Inoue Hiroshi 150
#7 Takezawa Makoto 145
#8 Aoki Tomoko 142
#9 Nakajima Masashi 129
#10 Ueno Hiroshi 129

Latest patents

Publication Filing date Title
CA2314196A1 Lubricant oil composition for internal combustion engines
JP2001139978A Lubricating oil composition for internal combustion engine
JP2000181069A Photosensitive polysilazane composition and forming method of patterned polysilazane film
WO0100754A1 Fuel oil composition for diesel engine
JP2000355695A Lubricating oil composition for nonstep variable speed gear
JP2000042408A Catalyst for hydrogenation treatment and hydrogenation treatment of hydrocarbon oil using the same
JP2000319682A Lubricating oil composition for internal combustion engine
US6136049A Diesel fuel oil composition
US6136050A Diesel fuel oil composition
JP2000290677A Lubricating oil composition for diesel engine
JP2000282075A Lubricating oil for composition for internal combustion engine
US6306289B1 Catalyst for hydrogenation treatment and method for hydrogenation treatment of hydrocarbon oil
JP2000239682A Traction drive fluid
JP2000087067A Lubricating oil composition for internal combustion engine
JP2000198160A METHOD FOR FORMING SiO2 CERMICS FILM
JP2000195759A Electrolyte solution for electric double layer capacitor
JP2000192058A Base oil for diesel engine fuel oil and fuel oil composition containing the base oil
WO9934471A1 Electrolyte for lithium cells and method of producing the same
JP2000186293A Diesel engine lubricating oil composition
JPH11241078A Fuel oil composition for diesel engine