TH

Tadao Hasegawa

TO Toyota: 13 patents #2,130 of 26,838Top 8%
DE Denso: 1 patents #6,940 of 11,792Top 60%
KC Kayaba Industry Co.: 1 patents #133 of 326Top 45%
📍 Touon, JP: #3 of 34 inventorsTop 9%
Overall (All Time): #355,505 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7204215 Valve characteristic controller and control method for internal combustion engine Yoshihito Moriya, Noboru Takagi 2007-04-17
6135077 Valve timing changing apparatus for internal combustion engine Yoshihito Moriya, Kiyoshi Sugimoto 2000-10-24
6131541 Variable valve performance mechanism in internal combustion engine Kiyoshi Sugimoto 2000-10-17
6067947 Valve driving apparatus for engine Yoshihito Moriya, Kiyoshi Sugimoto, Noriyuki Iden 2000-05-30
6014952 Valve timing control apparatus for an internal combustion engine Osamu Sato, Kiyoshi Sugimoto, Yoshihito Moriya, Noriyuki Iden, Shinitiro Kikuoka 2000-01-18
5988128 Valve driving apparatus for engine Yoshihito Moriya, Kiyoshi Sugimoto, Noriyuki Iden 1999-11-23
5988127 Valve lifter structure Kiyoshi Sugimoto, Yoshihito Moriya 1999-11-23
5964314 Power steering device Katsuhiro Suzuki, Shinichi Hagidaira, Masashi Takai 1999-10-12
5924397 Variable valve performance apparatus for engine Yoshihito Moriya, Kiyoshi Sugimoto 1999-07-20
5893345 Valve control apparatus for an internal combustion engine Kiyoshi Sugimoto, Yoshihito Moriya 1999-04-13
5870984 Variable engine valve driver Kiyoshi Sugimoto 1999-02-16
5816204 Variable valve timing mechanism for internal combustion engine Yoshihito Moriya, Kiyoshi Sugimoto 1998-10-06
4545334 Lubricating oil cooling system for rear or mid engined vehicle Takayoshi Nakagawa 1985-10-08
4192520 Seal structure 1980-03-11