KK

Keiichi Koyama

Sharp Kabushiki Kaisha: 15 patents #1,103 of 10,731Top 15%
MT Marathon Technologies: 2 patents #11 of 20Top 60%
KE Keihin: 1 patents #237 of 596Top 40%
Overall (All Time): #257,318 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
8994485 Magnetic-anisotropic plastically deformed body, method for producing the same, and electromagnetic apparatus using the same Hidehiro Hoshina, Toshiro Harakawa, Kohki Takahashi 2015-03-31
7877552 Symmetric multiprocessor fault tolerant computer system Paul A. Leveille, Thomas D. Bissett, Stephen S. Corbin, Jerry Melnick, Glenn A. Tremblay +1 more 2011-01-25
7373545 Fault tolerant computer system Paul A. Leveille, Satoshi Watanabe 2008-05-13
D415757 Digital audio disk recorder Shin Takahashi, Shigeru Kurozumi 1999-10-26
D413107 Electronic computer Mitsuo Kawa 1999-08-24
D373583 Television set Osamu Akiyama, Yoshito Fujii, Kunihiro Ohki 1996-09-10
D371552 Combined television set and video tape recorder Osamu Akiyama, Yoshito Fujii, Kazuo Tsujimoto, Kazumi Osaka 1996-07-09
D369596 Television set Osamu Akiyama, Yoshito Fujii, Kazuo Tsujimoto, Kazumi Osaka 1996-05-07
D357245 Television set Seiji Usami, Yoshito Fujii 1995-04-11
D351156 Television set Seiji Usami, Yoshito Fujii 1994-10-04
D318064 Interface with printer for computer Hiroshi Sakaguchi 1991-07-09
D317777 Electronic calculator Hiroshi Sakaguchi 1991-06-25
D315572 Electronic calculator with printer Hiroshi Sakaguchi 1991-03-19
D315358 Electronic calculator with printer Takahisa Yubisui, Hiroshi Sakaguchi 1991-03-12
D310235 Typewriter Hiroshi Sakaguchi 1990-08-28
D309626 Electronic calculator Hiroshi Sakaguchi 1990-07-31
D303955 Pocket computer Hajime Shiozawa 1989-10-10
D303523 Portable computer Hajime Shiozawa, Ken Kimata, Kouki Fukuda, Kuniyasu Matsumoto 1989-09-19