EK

Eiji Kitajima

KC Koa Oil Company: 7 patents #2 of 38Top 6%
TK Tanaka Kikinzoku Kogyo K.K.: 3 patents #94 of 436Top 25%
NO Nippon Oil: 1 patents #392 of 773Top 55%
📍 Izumi, JP: #29 of 245 inventorsTop 15%
Overall (All Time): #583,095 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7564676 Electric double layer capacitor, activated carbon for electrode therefor and method for producing the same Yuichi Nakano, Kiwamu Takeshita, Keizo Ikai, Tatsuji Maruyama, Hideki Ono +1 more 2009-07-21
5277850 Process for producing a coil-shaped carbon fiber bundle Takashi Oyama, Eiji Maruden, Hirokazu Teraoka, Haruki Yamasaki, Susumu Shimizu 1994-01-11
5204030 Method for producing pitch-type carbon fiber Takashi Oyama, Makoto Kitai, Haruki Yamasaki, Susumu Shimizu 1993-04-20
5183603 Process for producing a coil-shaped carbon fiber bundle Takashi Oyama, Eiji Maruden, Hirokazu Teraoka, Haruki Yamasaki, Susumu Shimizu 1993-02-02
4769139 Apparatus for production of crystallizable carbonaceous material Kosaku Noguchi, Honami Tanaka, Yukimasa Kumura, Toshifumi Ishitobi, Hirokazu Teraoka 1988-09-06
4640822 Apparatus for producing bulk mesophase Kosaku Noguchi, Honami Tanaka, Yukimasa Kumura, Heima Yamazaki, Tomonori Sunada 1987-02-03
4488957 Method and apparatus for production of crystallizable carbonaceous material Kosaku Noguchi, Honami Tanaka, Yukimasa Kumura, Toshifumi Ishitobi, Hirokazu Teraoka 1984-12-18
4381990 Process for producing mesocarbon microbeads of uniform particle-size distribution Kosaku Noguchi, Honami Tanaka, Yukimasa Kumura, Noriyuki Tsuchiya, Tomonori Sunada 1983-05-03
4363670 Continuous process for industrially producing mesocarbon microbeads Kosaku Noguchi, Honami Tanaka, Yukimasa Kumura, Noriyuki Tsuchiya, Tomonori Sunada 1982-12-14