KT

Kiyoshi Tsukuda

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
Overall (All Time): #765,115 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5672897 Bimos semiconductor integrated circuit device including high speed vertical bipolar transistors Atsuo Watanabe, Takahide Ikeda, Mitsuru Hirao, Touji Mukai, Tatsuya Kamei 1997-09-30
5508549 Semiconductor integrated circuit device and a method for manufacturing the same Atsuo Watanabe, Takahide Ikeda, Mitsuru Hirao, Touji Mukai, Tatsuya Kamei 1996-04-16
5049967 Semiconductor integrated circuit device and a method for manufacturing the same Atsuo Watanabe, Takahide Ikeda, Mitsuru Hirao, Touji Mukai, Tatsuya Kamei 1991-09-17
4980744 Semiconductor integrated circuit device and a method for manufacturing the same Atsuo Watanabe, Takahide Ikeda, Mitsuru Hirao, Touji Mukai, Tatsuya Kamei 1990-12-25
4921811 Semiconductor integrated circuit device and a method for manufacturing the same Atsuo Watanabe, Takahide Ikeda, Mitsuru Hirao, Touji Mukai, Tatsuya Kamei 1990-05-01
4361846 Lateral type semiconductor devices with enlarged, large radii collector contact regions for high reverse voltage 1982-11-30
4257060 Semiconductor switch Shigeru Kawamata 1981-03-17