KI

Kouhei Igarashi

TO Toyota: 16 patents #1,599 of 26,838Top 6%
MC Mabuchi Motor Co.: 3 patents #41 of 228Top 20%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
📍 Susono, JP: #167 of 1,238 inventorsTop 15%
Overall (All Time): #241,243 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
7663276 Optical encoder device for small-sized motor 2010-02-16
7414238 Optical encoder device for small-sized motor and method of producing the same Toshihiro Kamiyoshihara 2008-08-19
7362242 Optical encoder device for small-sized motor and method of producing the same Masayuki Iida 2008-04-22
6409973 Exhaust gas purification device for an engine Yukio Kinugasa, Toshifumi Takaoka, Takaaki Itou 2002-06-25
6345496 Method and device for purifying exhaust gas of an engine Naohide Fuwa, Hiroshi Tanaka, Yukio Kinugasa, Takaaki Itou, Naoto Suzuki +2 more 2002-02-12
6133185 Exhaust gas purifying catalyst Yukio Kinugasa, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi, Takaaki Kanazawa +3 more 2000-10-17
6119452 Device for purifying exhaust gas of internal combustion engine Yukio Kinugasa, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi, Toshiaki Tanaka +1 more 2000-09-19
6047542 Method and device for purifying exhaust gas of engine Yukio Kinugasa, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi, Kouichi Takeuchi 2000-04-11
6032461 Exhaust emission control apparatus for internal combustion engine Yukio Kinugasa, Takaaki Itou 2000-03-07
5964088 Device for purifying exhaust gas of engine Yukio Kinugasa, Takaaki Itou, Koichi Hoshi, Naoto Suzuki, Koichi Takeuchi +1 more 1999-10-12
5924406 Apparatus for controlling auxiliary equipment driven by an internal combustion engine Yukio Kinugasa, Takaaki Itou 1999-07-20
5893385 Liquid discharging device for discharging liquid stored on a bottom wall of an interior of a compressed natural gas tank of a vehicle 1999-04-13
5783160 Method for purifying combustion exhaust gas Yukio Kinugasa, Takaaki Itou, Toshifumi Takaoka, Michihiro Ohashi, Koji Yokota 1998-07-21
5782087 Device for purifying exhaust gas of an engine Yukio Kinugasa, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi, Toshiaki Tanaka 1998-07-21
5746052 Exhaust gas purification device for an engine Yukio Kinugasa, Takaaki Itou, Takehisa Yaegashi, Toshifumi Takaoka 1998-05-05
5740669 Exhaust gas purification device for an engine Yukio Kinugasa, Takaaki Itou, Toshifumi Takaoka 1998-04-21
5554342 Electrical heating type catalytic device Hiroshi Hirayama, Kouji Yoshizaki, Keiji Ito, Tohru Yoshinaga, Kiyohiko Watanabe +2 more 1996-09-10
4622637 Optimum shift timing indicating device for a vehicle Kazuo Tomita 1986-11-11
4492112 Optimum shift position indicating device of vehicle Kazuo Tomita 1985-01-08