KT

Keiichi Takahashi

TO Toyota: 16 patents #1,599 of 26,838Top 6%
KC Kyowa Hakko Kogyo Co.: 11 patents #82 of 943Top 9%
PA Panasonic: 9 patents #2,933 of 21,108Top 15%
NB Nohmi Bosai: 8 patents #1 of 90Top 2%
Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
TC Tokan Kogyo Co.: 4 patents #2 of 36Top 6%
SL Saturn Licensing: 4 patents #57 of 329Top 20%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
PS Prime Planet Energy & Solutions: 2 patents #44 of 228Top 20%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Rohm Co.: 2 patents #1,039 of 2,292Top 50%
SM Shin Caterpillar Mitsubishi: 1 patents #64 of 184Top 35%
Abbott: 1 patents #3,441 of 5,431Top 65%
NE Nec: 1 patents #7,889 of 14,502Top 55%
AD Advantest: 1 patents #714 of 1,193Top 60%
📍 Kasai, JP: #31 of 5,842 inventorsTop 1%
Overall (All Time): #25,892 of 4,157,543Top 1%
74
Patents All Time

Issued Patents All Time

Showing 51–74 of 74 patents

Patent #TitleCo-InventorsDate
5790018 Fire alarm system Kaoru Takahashi, Yukihiko Usami, Kouichi Hishino 1998-08-04
5734321 Fire protection receiver and fire protection receiver system 1998-03-31
5724023 Setting device for fire alarm system Kazuki Takumi 1998-03-03
5635904 Fire alarm system Atsushi Ohkawara 1997-06-03
5428341 Fire receiver 1995-06-27
5344926 Process for producing staurosporine derivatives Chikara Murakata, Toshimitsu Takiguchi, Shigeo Katsumata, Akira Mihara, Hiromitsu Saito +3 more 1994-09-06
5179606 Optical coupler Shigeru Kaihara 1993-01-12
5138059 DC-89 compounds and process for their preparation Michio Ichimura, Shigeo Katsumata, Tatsuhiro Ogawa, Makoto Morimoto, Tadashi Ashizawa +5 more 1992-08-11
5113825 Engine controller 1992-05-19
5101038 Novel substance DC 113 and production thereof Hirofumi Nakano, Isami Takahashi, Isao Kawamoto, Toru Yasuzawa, Eiji Kobayashi 1992-03-31
5079376 Novel substance UCT-1003 and process for producing the same Hirofumi Nakano, Yoshinori Yamashita, Katsuhiko Ando, Yutaka Saito, Hiroe Ohno 1992-01-07
4862071 High speed circuit testing apparatus having plural test conditions Kazuhiko Sato, Junji Nishiura 1989-08-29
4847387 Antibiotic compounds DC-92B and DC-92D Hirofumi Nakano, Isami Takahashi, Fusao Tomita, Kozo Asano, Toru Yasuzawa +1 more 1989-07-11
4650869 DX-52-1 compounds and process for preparing the same Tadashi Hirata, Shigeru Kobayashi, Makoto Morimoto, Yuko Arai 1987-03-17
4623722 Fortimicin factor KG.sub.3 Seigo Takasawa, Kunikatsu Shirahata, Seiji Sato 1986-11-18
4593097 Phenazine carboxylic acid derivatives and a process for production thereof Fusao Tomita, Isao Kawamoto, Kozo Asano, Makoto Morimoto, Tadashi Ashizawa +1 more 1986-06-03
4438197 Compound DC-38-V and process for production thereof Fusao Tomita, Yuzuru Matsuda, Kunikatsu Shirahata, Hirofumi Nakano, Tomoyasu Sato +2 more 1984-03-20
4340725 Novel compound DC-38-V and process for production thereof Fusao Tomita, Yuzura Matsuda, Kunikatsu Shirahata, Hirofumi Nakano, Tomoyasu Sato +2 more 1982-07-20
4325905 Method for producing a double-walled paper container 1982-04-20
4309952 Process for making a container cover member having synthetic resin openable portion Hiroshi Aoyama, Kikuya Hirakawa, Yukio Sarusawa 1982-01-12
4244491 Container cover member having synthetic resin openable portion Hiroshi Aoyama, Kikuya Hirakawa, Yukio Sarusawa 1981-01-13
4241182 Fortimicin factors KG.sub.1, KG.sub.2 and KG.sub.3 and processes for production thereof Seigo Takasawa, Kunikatsu Shirahata, Seiji Sato 1980-12-23
4236953 Process for producing thermoplastic multi-walled pipes 1980-12-02
4209612 Fortimicin factors KF and KG and process for production thereof Takao Iida, Kunikatsu Shirahata, Masahiro Sugimoto, Shinzo Ishii, Ryo Okachi +1 more 1980-06-24