TY

Tatsumi Yamauchi

HI Hitachi: 51 patents #272 of 28,497Top 1%
HS Hitachi Automotive Systems: 14 patents #80 of 1,636Top 5%
HE Hitachi Vehicle Energy: 8 patents #6 of 95Top 7%
HA Hitachi Astemo: 5 patents #131 of 1,276Top 15%
HC Hitachi Car Engineering Co.: 4 patents #107 of 465Top 25%
HC Hitachi Engineering Co.: 4 patents #38 of 572Top 7%
HA Hitachi Appliances: 3 patents #22 of 109Top 25%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
📍 Hitachinaka, JP: #22 of 2,447 inventorsTop 1%
Overall (All Time): #26,968 of 4,157,543Top 1%
73
Patents All Time

Issued Patents All Time

Showing 51–73 of 73 patents

Patent #TitleCo-InventorsDate
5869990 Self-timed semiconductor integrated circuit device Fumio Murabayashi, Yutaka Kobayashi 1999-02-09
5841300 Semiconductor integrated circuit apparatus Fumio Murabayashi, Takashi Hotta, Hiromichi Yamada 1998-11-24
5787043 Semiconductor memory device having a redundancy capability Takashi Akioka, Yuji Yokoyama, Atsushi Hiraishi, Masahiro Iwamura, Yutaka Kobayashi +2 more 1998-07-28
5742550 Semiconductor integrated circuit device Fumio Murabayashi 1998-04-21
5684729 Floating-point addition/substraction processing apparatus and method thereof Hiromichi Yamada, Fumio Murabayashi, Takashi Hotta, Hideo Sawamoto, Takahiro Nishiyama +2 more 1997-11-04
5680066 Signal transition detector circuit Takashi Akioka, Masahiro Iwamura, Atsushi Hiraishi, Yuji Yokoyama, Nozomu Matsuzaki +5 more 1997-10-21
5677641 Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them Yoji Nishio, Kosaku Hirose, Hideo Hara, Katsunori Koike, Kayoko Nemoto +2 more 1997-10-14
5675548 Semiconductor integrated circuit having logi gates Yuji Yokoyama, Takashi Akioka, Masahiro Iwamura, Atsushi Hiraishi, Yutaka Kobayashi +3 more 1997-10-07
5657264 Semiconductor memory Masahiro Iwamura, Kazutaka Mori 1997-08-12
5654931 High-speed semiconductor memory device and data processing system using the same Akihiro Tamba, Masahiro Iwamura, Yutaka Kobayashi, Kinya Mitsumoto, Shuko Yamauchi +1 more 1997-08-05
5619151 Semiconductor device Takashi Akioka, Masahiro Iwamura, Atsushi Hiraishi, Yuji Yokoyama, Nozomu Matsuzaki +5 more 1997-04-08
5612640 Self-timed semiconductor integrated circuit device Fumio Murabayashi, Yutaka Kobayashi 1997-03-18
5590361 Microprocessor having an effective BiCMOS extra multiple input complex logic circuit Masahiro Iwamura, Shigeya Tanaka, Kazutaka Mori 1996-12-31
5544125 Semiconductor integrated circuit having logic gates Yuji Yokoyama, Takashi Akioka, Masahiro Iwamura, Atsushi Hiraishi, Yutaka Kobayashi +3 more 1996-08-06
5502820 Microprocessor having high speed, low noise output buffers Atsushi Hiraishi, Takashi Akioka, Yutaka Kobayashi, Yuji Yokoyama, Masahiro Iwamura +3 more 1996-03-26
5398318 High speed, low noise output buffer with non-identical pairs of output transistors Atsushi Hiraishi, Takashi Akioka, Yutaka Kobayashi, Yuji Yokoyama, Masahiro Iwamura +3 more 1995-03-14
5387827 Semiconductor integrated circuit having logic gates Yuji Yokoyama, Takashi Akioka, Masahiro Iwamura, Atsushi Hiraishi, Yutaka Kobayashi +3 more 1995-02-07
5345421 High speed, low noise semiconductor storage device Masahiro Iwamura, Makoto Saeki, Hideaki Uchida 1994-09-06
5339448 Microprocessor with improved internal transmission Shigeya Tanaka, Masahiro Iwamura, Tatsuo Nojiri, Hisashi Tada, Tetsuo Nakano 1994-08-16
5285414 Semiconductor memory having transistors which drive data lines in accordance with values of write data and column select signal Masahiro Iwamura, Kazutaka Mori 1994-02-08
5153452 Bipolar-MOS IC with internal voltage generator and LSI device with internal voltage generator Masahiro Iwamura, Shigeya Tanaka, Ikuro Masuda, Tetsuo Nakano 1992-10-06
5091883 Semiconductor memory and microprocessor Nozomu Matsuzaki, Takashi Akioka, Masahiro Iwamura, Atushi Hiraishi, Yuji Yokoyama +2 more 1992-02-25
4678943 Inverting logic buffer BICMOS switching circuit using an enabling switch for three-state operation with reduced dissipation Akira Uragami, Yukio Suzuki, Shinji Kadono, Masahiro Iwamura, Ikuro Masuda 1987-07-07