HY

Hisashi Yokoyama

Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%
HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%
📍 Kasai, JP: #485 of 5,842 inventorsTop 9%
Overall (All Time): #270,244 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11732669 Injector diagnosis device and injector diagnosis method Tien Trien LE, Satoshi INOSE, Shogo KUNIOKA 2023-08-22
11655774 Injector failure diagnostic device and injector failure diagnostic method Tien Trien LE, Takahiro SAGARA, Satoshi INOSE 2023-05-23
8973891 Air bypass valve device Ryuichi Maeda, Tatsuya Matsumoto, Yoshinori Sunagawa, Keiichi Sakoda 2015-03-10
7543576 Exhaust-gas recirculation system Hidetoshi Okada, Toshihiko Miyake 2009-06-09
6789532 Mounting device for exhaust gas recirculation valve Yasuhiko Kato 2004-09-14
6708675 Exhaust gas recirculation valve Yasuhiko Kato, Eiji Numata, Hidetoshi Okada 2004-03-23
6672293 Exhaust gas recirculating valve device Yasuhiko Kato, Takeshi Ikai 2004-01-06
6581903 Electrical flow control valve Toshihiko Miyake 2003-06-24
6473958 Motor shaft for rotational-to-direct motion converting motor and method of manufacturing the motor shaft Sotsuo Miyoshi 2002-11-05
6453891 Exhaust gas recirculation valve device Yasuhiko Kato, Takeshi Ikai 2002-09-24
6325055 Flow control valve Toshihiko Miyake 2001-12-04
6302090 Valve device and valve control method Satoshi Kawamura, Sotsuo Miyoshi, Toshihiko Miyake 2001-10-16
D445430 Portion of valve body Takeshi Ikai, Yasuhiko Kato, Toshihiko Miyake 2001-07-24
D445431 Exhaust gas recirculation valve Takeshi Ikai, Yasuhiko Kato, Toshihiko Miyake 2001-07-24
6227183 Mounting device for exhaust gas re-circulation valve Sotsuo Miyoshi, Hidetoshi Okada, Toshihiko Miyake, Yasuhiko Kato 2001-05-08
D438515 Portion of heat sink Takeshi Ikai, Yasuhiko Kato, Toshihiko Miyake 2001-03-06
5246199 Solenoid valve Katsuyuki Numoto 1993-09-21