TO

Tuneyoshi Oohashi

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Overall (All Time): #1,298,167 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5117434 Metal vapor laser apparatus Motoo Yamaguchi, Akira Wada, Toshiharu Shirakura, Toshimichi Kichikawa, Hiroyuki Sugawara 1992-05-26
5054029 Pulse power supply circuit Hiroyuki Sugawara 1991-10-01
4991180 Metallic vapor laser apparatus Motoo Yamaguchi, Hiroyuki Sugawara, Akira Wada, Toshiharu Shirakura, Toshimichi Kichikawa 1991-02-05
4818892 Laser device with high-voltage pulse generator, high-voltage pulse generator and pulse generating method Satoshi Takemori, Toshimichi Kichikawa, Kouji Kuwabara, Hiroyuki Sugawara 1989-04-04