TK

Tuneo Kishi

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Overall (All Time): #891,013 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5298703 Gas circuit breaker Hirohiko Yatsuzuka, Takashi Minakawa, Isao Nishida 1994-03-29
4417111 Three-phase combined type circuit breaker Yasuhide Takeda, Toru Tsubaki, Takeshi Takahashi 1983-11-22
4315119 Tank type gas circuit breaker Koji Sasaki, Michio Moriya 1982-02-09
4307273 Gas blast circuit breaker Koji Sasaki 1981-12-22
4293749 Puffer type gas circuit breaker Koji Sasaki 1981-10-06
4215256 Gas-insulated switchgear apparatus Minoru Sakaguchi, Kazuaki Oishi, Seizo Nakano 1980-07-29