TO

Tatsuo Otsuka

SA Showa Aluminum: 5 patents #29 of 253Top 15%
KC Koyo Seiko Co.: 3 patents #150 of 749Top 25%
Overall (All Time): #662,733 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6769507 Electric power steering apparatus Tetsuya Murakami, Takeo Iino, Masanori Kobayashi, Akihiko Shiina, Yoshio Ito +1 more 2004-08-03
6708796 Electric power steering apparatus Shigetaka Kinme, Tatsuhiro Yamamoto, Susumu Imagaki, Osamu Sano, Kunihiro Oka +3 more 2004-03-23
6550567 Electric power steering apparatus Tetsuya Murakami, Takeo Iino, Masanori Kobayashi, Akihiko Shiina, Yoshio Ito +1 more 2003-04-22
5431802 Cylinder tube and process for producing same Minobu Sukimoto, Masaaki Ooide, Masakazu Shimaguchi, Akira Sakayori 1995-07-11
4962880 Method of forming a heat exchanger with components comprising an aluminum alloy containing reduced amounts of magnesium Ichiro Iwai, Shigekazu Nagai 1990-10-16
4957159 Aluminum heat exchanger provided with fins having hydrophilic coating Masaaki Mizoguchi, Susumu Inoue, Eizo Isoyama 1990-09-18
4852791 Method for making corrosion resistance heat exchangers Ichiro Iwai, Noboru Yamaguchi 1989-08-01
4806436 Substrate for amorphous silicon solar cells Kiyoshi Tada, Kenji Tsukamoto 1989-02-21