YK

Yukio Kawakubo

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
Overall (All Time): #592,284 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5153892 High-pressure gas laser apparatus and method of laser processing Yoshiyuki Kubota, Kouji Sasaki, Atsushi Miki, Satoshi Ogura 1992-10-06
4602372 Gas laser generator Kouji Sasaki, Hiroyuki Sugawara, Kouji Kuwabara, Toshiharu Shirakura, Satoshi Takemori 1986-07-22
4590599 Gas laser device Hiroyuki Sugawara, Kouji Kuwabara, Toshiharu Shirakura, Satoshi Takemori, Kouji Sasaki 1986-05-20
4541097 Gas laser device with plural electrode members on the upper gas flow side Kouji Kuwabara, Kouji Sasaki, Hiroyuki Sugawara, Toshiharu Shirakura, Satoshi Takemori 1985-09-10
4500998 Gas laser Kouji Kuwabara, Hiroyuki Sugawara, Toshiharu Shirakura, Kouji Sasaki 1985-02-19
4468777 Mirror supporting frame for gas laser oscillation apparatus Satoshi Takemori, Hiroyuki Sugawara, Kouji Kuwabara, Toshiharu Shirakura, Kouji Sasaki 1984-08-28
4336430 Vacuum interrupter Yukio Kurosawa, Nobuo Abe 1982-06-22
4210790 Vacuum-type circuit interrupter Yukio Kurosawa, Hiroyuki Sugawara 1980-07-01
4196327 Vacuum interrupter Yukio Kurosawa, Hiroyuki Sugawara 1980-04-01