TO

Toshio Ogawa

HI Hitachi: 5 patents #207 of 4,225Top 5%
AC Alps Electric Co.: 2 patents #42 of 324Top 15%
HE Hitachi Kokusai Electric: 1 patents #7 of 53Top 15%
📍 Tokyo, CA: #22 of 216 inventorsTop 15%
Overall (2003): #2,617 of 273,478Top 1%
8
Patents 2003

Issued Patents 2003

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6630115 Exhaust emission control process for internal combustion engines Masato Kaneeda, Kojiro Okude, Hidehiro Iizuka, Kousei Nagayama, Hisao Yamashita +4 more 2003-10-07
6603305 Rotary encoder having code member rotating along accurate circle as shaft rotates Hideki Uchiyama, Hirofumi Okumura 2003-08-05
6595418 Enhanced article management system and method Keisuke Igarashi, Kazuo Akaike, Yuzo Miura, Hideki Aridome, Yukio Otani 2003-07-22
6596247 Method for purifying exhaust gas from internal combustion engines Hidehiro Iizuka, Ryouta Doi, Hiroshi Hanaoka, Osamu Kuroda, Hisao Yamashita +3 more 2003-07-22
6594149 Liquid cooled circuit device Kazuji Yamada, Akihiro Tamba, Takayoshi Nakamura, Ryuichi Saito, Hisanori Okamura 2003-07-15
6588647 Liquid cooled circuit device and a manufacturing method thereof Kazuji Yamada, Akihiro Tamba, Takayoshi Nakamura, Ryuichi Saito, Hisanori Okamura 2003-07-08
6539329 Apparatus for detecting rotational angle by employing two or more detection signals based on rotational angle and rotational direction of rotating member Hironori Kato, Yoshio Sanpei, Toshiyuki Hoshi, Hirofumi Okumura, Ichiro Tokunaga 2003-03-25
6517784 Exhaust gas purifying apparatus for an internal combustion engine Hidehiro Iizuka, Osamu Kuroda, Akira Kato, Hiroshi Miyadera, Yuichi Kitahara +1 more 2003-02-11