KO

Keiichi Ohmura

NS Nippon Steel: 9 patents #228 of 4,423Top 6%
NC Nippon Kinzoku Co.: 5 patents #2 of 60Top 4%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
Overall (All Time): #591,291 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5427634 Ferrite system stainless steel having excellent nacl-induced hot corrosion resistance and high temperature strength Nobuhiro Fujita, Eiji Sato 1995-06-27
5426084 Highly heat-resistant metallic carrier for an automobile catalyst Masuhiro Fukaya, Mikio Yamanaka, Fumio Fudanoki, Hidehiko Sumitomo 1995-06-20
5411610 High-strength stainless steel foil for corrugating and process for producing the same Jun Araki, Jun Nakatuka, Wataru Murata, Hidehiko Sumitomo, Masayuki Kasuya +5 more 1995-05-02
5405460 Fe-Cr-Al alloy steel sheet and process for producing the same Mikio Yamanaka, Masuhiro Fukaya, Akira Imamura, Hiroyuki Tanaka, Ryoichi Hisatomi 1995-04-11
5045404 Heat-resistant stainless steel foil for catalyst-carrier of combustion exhaust gas purifiers Miko Yamanaka, Fumio Fudanoki, Masayuki Tendoh, Kenji Hirashima, Masaaki Kobayashi +5 more 1991-09-03
4918042 Exhaust gas purifying catalyst Toshihiro Takada, Shinichi Matsumoto, Hikaru Aoyagi, Mikio Yamanaka, Toshiyuki Yashiro 1990-04-17
4870046 Rolled high aluminum stainless steel foil for use as a substrate for a catalyst carrier Mikio Yamanaka, Shinichi Matsumoto, Shinji Shibata, Toshiyuki Yashiro, Akihiko Kasahara 1989-09-26
4867811 Processes for production of metallic catalyst-carrier and catalytic component Hiroo Wakiyama, Hisashi Baba, Mikio Yamanaka, Shinichi Matsumoto, Toshihiro Takada +4 more 1989-09-19
4752599 Method for producing a base of a catalyst carrier for automobile exhaust gas-purification Yasushi Nakamura, Mikio Yamanaka, Motohiko Arakawa, Toshiyuki Yashiro, Masaki Izumi 1988-06-21