YH

Yoshimasa Hayashi

Nissan Motor Co.: 89 patents #3 of 8,689Top 1%
OB Obayashi: 3 patents #13 of 118Top 15%
NC Nichireki Co.: 3 patents #2 of 13Top 20%
MM Mitsubishi Materials: 2 patents #498 of 1,543Top 35%
DA Daicel: 1 patents #265 of 523Top 55%
TK Trio Kabushiki Kaisha: 1 patents #22 of 70Top 35%
FC Fujisawa Pharmaceutical Co.: 1 patents #444 of 782Top 60%
JT Jtekt: 1 patents #1,102 of 1,969Top 60%
OH Ohbayashi-Gumi: 1 patents #5 of 34Top 15%
Overall (All Time): #15,521 of 4,157,543Top 1%
97
Patents All Time

Issued Patents All Time

Showing 26–50 of 97 patents

Patent #TitleCo-InventorsDate
4646690 Overhead camshaft engine valve train with slack take up means 1987-03-03
4633822 Cooling system for automotive engine or the like 1987-01-06
4632069 Cooling system for automotive engine Hirofumi Aoki 1986-12-30
4627397 Cooling system for automotive engine or the like 1986-12-09
4616601 Radiator anti-freeze arrangement for evaporative type cooling system 1986-10-14
4615304 Arrangement of boiling liquid cooling system of internal combustion engine 1986-10-07
4605164 Cabin heating arrangement for vehicle having evaporative cooled engine Naoki Ogawa 1986-08-12
4604973 Evaporative cooled engine having manual control for service facilitation 1986-08-12
4605163 Passenger room heating system for use with boiling liquid engine cooling system 1986-08-12
4598681 Automotive engine with knock sensor 1986-07-08
4598687 Intercooler for supercharged internal combustion engine 1986-07-08
4597367 Engine valve and method of producing the same 1986-07-01
4590900 Valve supporting arrangement of an internal combustion engine 1986-05-27
4581982 Reciprocating piston internal combustion engine 1986-04-15
4577594 Cooling system for automotive engine Takao Kubozuka, Yoshinori Hirano 1986-03-25
4572115 Parts-arrangement in boiling liquid cooling system 1986-02-25
4570945 Piston ring having shape of an ellipse or an elongated circle 1986-02-18
4570585 Light metal cylinder head with valve seat insert 1986-02-18
4569317 Cylinder block of engine 1986-02-11
4567858 Load responsive temperature control arrangement for internal combustion engine 1986-02-04
4565162 Cooling system of an internal combustion engine Nakanobu Seki, Masakazu Uemura 1986-01-21
4563983 Intercooler arrangement for supercharged internal combustion engine Yoji Itoh 1986-01-14
4559907 Load responsive temperature control arrangement for internal combustion engine 1985-12-24
4555240 Pulley for cogged belt and method for producing same 1985-11-26
4554891 Coolant level control arrangement for internal combustion engine 1985-11-26