TK

Takafumi Kojima

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
NP Nippon Telegraph And Telephone Public: 2 patents #129 of 842Top 20%
TC Tachi-S Co.: 2 patents #129 of 398Top 35%
Overall (All Time): #630,817 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11072268 Head-rest of a car seat Masaki Tsukada, Kouichi Moroi, Hitoshi Abe, Satoshi Hashimoto, Naoyuki Makita 2021-07-27
10680567 Low-noise microwave amplifier utilizing superconductor-insulator-superconductor junction Yoshinori Uzawa 2020-06-09
9840175 Foaming die device adapted to effect foaming in trim cover assembly integrally to form headrest, and foaming process for forming headrest by effecting foaming in trim cover assembly integrally, using the foaming die device Tsuyoshi Tabata 2017-12-12
5802453 Radio paging transmitter which adjusts its transmission time based on detection of its own transmission delay Yoshinori Kuroki, Toshiro Suzuki, Ayumu Koide, Yasuo Kogure 1998-09-01
5799252 Radio communication system with plurality of wired lines Arata Nakagoshi 1998-08-25
5751935 Radio paging system Sotaro Hiroshima, Toshiro Suzuki, Yasuo Kogure, Akio Yasuda 1998-05-12
4447679 Subscriber line testing system Shigeru Yoshida, Masayuki Mizoguchi 1984-05-08
4392026 Subscriber line testing system Kenzo Tamaki, Shiro Yokota 1983-07-05