KO

Kiyoshi Okumura

NI Ngk Insulators: 16 patents #195 of 2,083Top 10%
HI Hitachi: 9 patents #4,653 of 28,497Top 20%
SI Sintokogio: 2 patents #157 of 455Top 35%
SI Sintobrator: 1 patents #9 of 26Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #147,489 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
8151613 Method for shot peening Ryohei Ishikura, Takashi Kano, Makio Kato, Yuji Kobayashi, Satoru Ujihashi 2012-04-10
7632588 Electrochemical cell having gas flow channels surrounded by solid electrolyte and interconnector Shinji Kawasaki 2009-12-15
7449261 Holding member for holding an electrochemical cell, a holding substrate for the same, an electrochemical system and a connecting member for electrochemical cells Shigenori Ito, Takashi Ryu, Sota Shimizu, Mitsuru Hattori 2008-11-11
7122266 Holding member for holding an electrochemical cell, a holding substrate for the same, an electrochemical system and a connecting member for electrochemical cells Shigenori Ito, Takashi Ryu, Sota Shimizu, Mitsuru Hattori 2006-10-17
7009130 Switching device Hiroaki Hashimoto, Shinji Seto 2006-03-07
6658907 Method of shot peening processing and article processed thereby, and peening material and use thereof Akihisa Inoue, Junkou Kurosaki, Kouji Kajita 2003-12-09
6482498 Honeycomb structural body Shinji Kawasaki, Shigenori Ito 2002-11-19
6288322 Electric elements Shinji Kawasaki, Shigenori Ito 2001-09-11
6183609 Sintered laminated structures, electrochemical cells and process for producing such sintered laminated structures Shinji Kawasaki, Shigenori Ito 2001-02-06
6179884 Layered sintered body for electrochemical cells, electrochemical cell and process for manufacturing layered sintered body for electrochemical cells Shinji Kawasaki, Shigenori Ito 2001-01-30
6025084 Electrochemical cell having gas flow channels surrounded by solid electrolyte and interconnecter Shinji Kawasaki 2000-02-15
5964991 Sintered laminated structures, electrochemical cells and process for producing such sintered laminated structures Shinji Kawasaki, Shigenori Ito 1999-10-12
5866275 Layered sintered body for electrochemical cells Shinji Kawasaki, Shigenori Ito 1999-02-02
5418081 Method of producing electrically conductive ceramic film for interconnectors of solid oxide fuel cells Shinji Kawasaki, Katsuki Yoshioka 1995-05-23
5397657 Method for increasing the electrical conductivity of a thermal sprayed interconnector for a solid electrolyte fuel cell Shigenori Ito, Katsuki Yoshioka 1995-03-14
5358735 Method for manufacturing solid oxide film and method for manufacturing solid oxide fuel cell using the solid oxide film Shinji Kawasaki, Shigenori Ito 1994-10-25
5260542 Laser Marking apparatus Kouji Ishiguro, Minoru Fujimoto, Kiyoshi Saito, Kouji Kuwabara, Makoto Yano +1 more 1993-11-09
5260728 Apparatus for reducing, enlarging and projecting image information Yoshio Yoshioka, Kouji Kuwabara, Makoto Yano, Kiyoshi Saito, Minoru Fujimoto 1993-11-09
5253180 Apparatus and method for diagnosis of power appliances Tokio Yamagiwa, Yoshinori Tagawa 1993-10-12
5234722 Solid electrolyte film, solid oxide fuel cell comprising such a solid electrolyte film, and processes for producing such film and solid oxide fuel cell Shigenori Ito, Katsuki Yoshioka 1993-08-10
5227258 Fuel electrodes for solid oxide fuel cells and production thereof Shigenori Ito, Katsuki Yoshioka 1993-07-13
5157235 Laser marking system Kazuhiko Nishimura, Minoru Fujimoto, Hiroo Ohkawa, Kazuo Mera, Shigeo Shiono 1992-10-20
5124687 Power apparatus, power transmission/distribution unit, and tripping method therefor Tokio Yamagiwa, Yoshinori Tagawa, Takaaki Kawada, Masaru Fukuoka 1992-06-23
5049456 Electroconductive interconnecting member and fuel cell having the member Keiji Matsuhiro, Shigenori Ito 1991-09-17
4866569 Gas-insulated switchgear apparatus Kazuaki Oishi 1989-09-12