YH

Yasuhiko Hamada

NI Ngk Insulators: 20 patents #154 of 2,083Top 8%
SU Subaru: 2 patents #413 of 1,436Top 30%
SS Sumitomo Wiring Systems: 2 patents #1,192 of 2,615Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #186,042 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
7694182 Debugging system and method Shigeya Takagi, Hidetaka Matsumoto 2010-04-06
7655131 Gas sensor and method for controlling the same Nobuhide Kato, Nobuyuki Kokune 2010-02-02
7160435 Gas sensor and method for controlling the same Nobuhide Kato, Nobuyuki Kokune 2007-01-09
6698410 Disengagement detecting system for joint portion Toshikazu Saba 2004-03-02
6623618 Gas sensor and method for controlling the same Nobuhide Kato, Nobuyuki Kokune 2003-09-23
6532931 Disengagement detecting system for joint portion Toshikazu Saba 2003-03-18
6348141 Gas sensor Nobuhide Kato, Nobukazu Ikoma 2002-02-19
6290829 Gas sensor Nobuhide Kato 2001-09-18
6290840 Gas sensor and method for controlling gas sensor Nobuhide Kato 2001-09-18
6284112 Gas sensor Nobuhide Kato 2001-09-04
6120663 Gas sensor Nobuhide Kato 2000-09-19
6083370 Gas sensor Nobuhide Kato 2000-07-04
6059947 Gas sensor Nobuhide Kato 2000-05-09
6010615 Gas sensor and method for controlling gas sensor Nobuhide Kato 2000-01-04
5976335 Gas sensor having a function for minimizing heater leak current Nobuhide Kato 1999-11-02
5948963 Gas sensor Nobuhide Kato, Nobukazu Ikoma 1999-09-07
5608154 Carbon monoxide sensor Nobuhide Kato 1997-03-04
5238552 Oxygen sensor Nobuhide Kato 1993-08-24
5012670 Oxygen sensor Nobuhide Kato 1991-05-07
4929331 Oxygen sensor Nobuhide Kato 1990-05-29
4916934 Oxygen sensors Hiroshi Nagata, Atsushi Iino, Nobuhide Kato, Hiroshi Ishikawa 1990-04-17
4909922 Heater-built-in oxygen sensor Nobuhide Kato 1990-03-20
4824549 Exhaust gas sensor for determining A/F ratio Tsunenori Yoshimura 1989-04-25