TO

Toshihiko Oka

MM Mitsubishi Motors: 17 patents #37 of 1,823Top 3%
ME Mitsubishi Jidosha Engineering: 7 patents #2 of 277Top 1%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
📍 Anjo, JP: #176 of 1,609 inventorsTop 15%
Overall (All Time): #255,263 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
10247131 Cylinder head of engine Nobuhiro Kawakami, Hayato Sugimura, Masahiko Kubo, Kazuki Yagi 2019-04-02
9587529 Engine Nobuhiro Kawakami, Hayato Sugimura, Kazuki Yagi 2017-03-07
9562446 Engine Nobuhiro Kawakami, Hayato Sugimura, Kazuki Yagi 2017-02-07
9109471 Cam structure Yusuke Kido, Akira Yoshihara, Shinichi Murata 2015-08-18
7913660 Cylinder head Keisuke Komura, Kenichi Morishima, Norio Takayasu 2011-03-29
7677219 Cylinder head Keisuke Komura, Kenichi Morishima, Norio Takayasu 2010-03-16
7357107 Valve system for internal combustion engine Shuji Nagano, Masanori Tokuhisa 2008-04-15
7270091 Cooling water passage structure for an engine Satoshi Matsui, Koichi Yoshimoto, Yoshinori Sakurai, Akimasa Yamamoto 2007-09-18
7152566 Cylinder head structure Satoshi Matsui, Koichi Yoshimoto, Yoshinori Sakurai, Tetsushi Nagira, Kenichi Morishima 2006-12-26
7107953 Valve gear of an internal combustion engine Norio Takayasu, Tetsushi Nagira, Satoshi Ando, Shinichi Murata, Masanori Tokuhisa 2006-09-19
7007646 Valve gear with cylinder suspending mechanism of an internal combustion engine Norio Takayasu, Tetsushi Nagira, Satoshi Ando, Shinichi Murata, Masanori Tokuhisa 2006-03-07
6959675 Valve system for internal combustion engine Shuji Nagano, Koichi Yoshimoto 2005-11-01
6883484 Rocker shaft Masanori Tokuhisa, Norio Takayasu 2005-04-26
6832584 Valve system for internal combustion engine Shinichi Murata 2004-12-21
6810846 Flow path structure of hollow tube Shinichi Murata 2004-11-02
6763793 Valve system for internal combustion engine Shinichi Murata 2004-07-20
5979384 Valve device for engine Takao Ichimura, Shuji Nagano 1999-11-09
4719576 Apparatus for measuring the degree of entanglement in a yarn Takao Sano, Masafumi Ogasawara 1988-01-12