AH

Atsushi Hagiwara

NI Nisshinbo Industries: 27 patents #5 of 375Top 2%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #113,595 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
9772138 Cooling box Ryuichi Tsuruma, Yuichi Tamaoki 2017-09-26
9671153 Low-temperature storage Ryuichi Tsuruma, Yuichi Tamaoki 2017-06-06
8842825 Data encoding apparatus, data encoding method, data encoding program, and recording medium Naoya Morita 2014-09-23
8427704 Image forming apparatus, image forming method, and image forming program product for processing pixels of vertical and diagonal lines expressed by input multi-value pixel data Shinya Tanaka, Hideomi Fujimoto, Mutsumi Namba, Satoshi Takano, Hiroyuki Nagano 2013-04-23
8154577 Apparatus and method of controlling light level of a light source, and recording medium storing program of controlling light level of a light source Shinya Tanaka, Hiroyuki Nagano, Hideomi Fujimoto, Satoshi Takano 2012-04-10
6998189 Fuel cell separator and process for producing the same Kazuo Saito 2006-02-14
6939638 Fuel cell separator, process for production thereof, and polymer electrolyte fuel cell Kazuo Saito, Atsushi Miyazawa 2005-09-06
6884535 Fuel cell separator Kazuo Saito, Seiji Yamamoto 2005-04-26
6881512 Separator for fuel cell, process for production thereof, and solid polymer type fuel cell using said separator Kazuo Saito 2005-04-19
6815112 Fuel cell separator and polymer electrolyte fuel cell Kazuo Saito, Koji Banno, Ayumi Horiuchi 2004-11-09
6803139 Electrically conductive resinous composition, fuel cell separator and production thereof, and polymer electrolyte fuel cell Kazuo Saito, Yasuo Imashiro, Naofumi Horie, Fumio Tanno, Tsutomu Uehara 2004-10-12
6764624 Method of producing fuel cell separator, fuel cell separator, and polymer electrolyte fuel cell Kazuo Saito, Toshiharu Okamoto, Ayumi Horiuchi 2004-07-20
6746792 Fuel cell separator composition, fuel cell separator and method of manufacture, and solid polymer fuel cell Shun Hasegawa, Gen Masuda, Yukiko Yano, Kazuo Saito 2004-06-08
6686083 Carbonaceous composite material, process for production thereof, fuel cell separator, and polymer electrolyte fuel cell Kazuo Saito, Takashi Maki, Atsushi Miyazawa 2004-02-03
6593021 Fuel cell separator and fuel cell of solid polymer type Kazuo Saito, Ayumi Horiuchi 2003-07-15
6579083 Mold for producing fuel cell separator Kazuo Saito, Takashi Maki, Motohiko Kamogawa 2003-06-17
6569372 Fuel cell separator production system and method, and fuel cell separator Kazuo Saito, Atsushi Tsuruya, Yoshitaka Araki, Takashi Maki 2003-05-27
6494926 Fuel cell separator and production method thereof Kazuo Saito 2002-12-17
6461755 ELECTROCONDUCTIVE RESIN COMPOSITION, FUEL CELL SEPARATOR MADE OF SAID ELECTROCONDUCTIVE RESIN COMPOSITION, PROCESS FOR PRODUCTION OF SAID FUEL CELL SEPARATOR, AND SOLID POLYMER TYPE FUEL CELL USING SAID FUEL CELL SEPARATOR Kazuo Saito, Fumio Tanno, Yasuo Imashiro, Naofumi Horie, Tsutomu Uehara 2002-10-08
6444344 Material for fuel cell separator and fuel cell separator made from said material Kazuo Saito 2002-09-03
6436567 Separator for fuel cells Kazuo Saito, Fumio Tanno, Toshiharu Okamoto, Kazutoshi Hamada 2002-08-20
6397901 Powder material supply device for producing fuel cell separator Kazuo Saito, Takashi Maki 2002-06-04
6348279 Separator for polymeric electrolyte fuel cell having a roughened surface Kazuo Saito, Fumio Tanno 2002-02-19
6242124 Separator for polymer electrolyte fuel cells and processes for production thereof Kazuo Saito, Fumio Tanno 2001-06-05
6024900 Process for production of a carbon composite material Kazuo Saito, Fumio Tanno 2000-02-15