KY

Kazumasa Yanagisawa

HI Hitachi: 51 patents #272 of 28,497Top 1%
RE Renesas Electronics: 26 patents #62 of 4,529Top 2%
RT Renesas Technology: 22 patents #51 of 3,337Top 2%
HC Hitachi Ulsi Systems Co.: 10 patents #49 of 867Top 6%
HE Hitachi Vlsi Engineering: 10 patents #77 of 666Top 15%
FL Floadia: 6 patents #9 of 21Top 45%
HS Hitachi Tohbu Semiconductor: 2 patents #78 of 223Top 35%
Overall (All Time): #13,215 of 4,157,543Top 1%
105
Patents All Time

Issued Patents All Time

Showing 76–100 of 105 patents

Patent #TitleCo-InventorsDate
6091660 Semiconductor integrated circuit device Toshio Sasaki, Yuji Tanaka, Hitoshi Tanaka, Jun Sato, Takashi Miyamoto +4 more 2000-07-18
6069834 Semiconductor IC device having a memory and a logic circuit implemented with a single chip Takao Watanabe, Kazushige Ayukawa, Ryo Fujita, Hitoshi Tanaka 2000-05-30
5995439 Semiconductor IC device having a memory and a logic circuit implemented with a single chip Takao Watanabe, Kazushige Ayukawa, Ryo Fujita, Hitoshi Tanaka 1999-11-30
5978305 Semiconductor integrated circuit device Toshio Sasaki, Yuji Tanaka, Hitoshi Tanaka, Jun Sato, Takashi Miyamoto +4 more 1999-11-02
5862095 Semiconductor memory having both a refresh operation cycle and a normal operation cycle and employing an address non-multiplex system Yasushi Takahashi, Takashi Shinoda, Masamichi Ishihara, Tetsu Udagawa 1999-01-19
5818792 Semiconductor memory device and memory module using the same Toshio Sasaki, Toshio Sugano, Kiyoshi Inoue, Seiichiro Tsukui, Masakazu Aoki +2 more 1998-10-06
5719815 Semiconductor memory having a refresh operation cycle and operating at a high speed and reduced power consumption in a normal operation cycle Yasushi Takahashi, Takashi Shinoda, Masamichi Ishihara, Tetsu Udagawa 1998-02-17
5715190 Semiconductor memory device Shigeru Honjo, Kiyoshi Inoue 1998-02-03
5691952 Semiconductor memory device and memory module using the same Toshio Sasaki, Toshio Sugano, Kiyoshi Inoue, Seiichiro Tsukui, Masakazu Aoki +2 more 1997-11-25
5528535 Semiconductor memory device Shigeru Honjo, Kiyoshi Inoue 1996-06-18
5506804 Dynamic Random Access Type Semiconductor Device Tatsuyuki Ohta, Tetsu Udagawa, Kyoko Ishii, Hitoshi Miwa, Atsushi Nozoe +9 more 1996-04-09
5371712 Semiconductor memory device having detection circuitry for sensing faults in word lines Satoshi Oguchi 1994-12-06
RE34797 Semiconductor memory device having a back-bias voltage generator Katsuyuki Sato 1994-11-22
5276648 Testing method for a semiconductor memory device Tatsuyuki Ohta, Tetsu Udagawa, Kyoko Ishii, Hitoshi Miwa, Atsushi Nozoe +9 more 1994-01-04
5274594 Static RAM Atsushi Hiraishi, Hideyuki Aoki, Satoshi Oguchi, Sadayuki Ohkuma 1993-12-28
5226011 Static type RAM 1993-07-06
5187685 Complementary MISFET voltage generating circuit for a semiconductor memory Katsuyuki Sato, Hiroshi Kawamoto 1993-02-16
5157629 Selective application of voltages for testing storage cells in semiconductor memory arrangements Katsuyuki Sato, Hiroshi Kawamoto 1992-10-20
5150325 Bi-CMOS semiconductor memory device, including improved layout structure and testing method Tatsuyuki Ohta, Tetsu Udagawa, Kyoko Ishii, Hitoshi Miwa, Atsushi Nozoe +9 more 1992-09-22
5045904 Semiconductor device including an improved trench arrangement Yutaka Kobayashi, Akihiro Tanba, Ryoichi Hori, Kyoichiro Asayama, Seigoh Yukutake +2 more 1991-09-03
5018100 Semiconductor memory device 1991-05-21
4999519 Semiconductor circuit with low power consumption having emitter-coupled logic or differential amplifier Goro Kitsukawa, Takayuki Kawahara, Ryoichi Hori, Yoshinobu Nakagome, Noriyuki Hamma +2 more 1991-03-12
4964082 Semiconductor memory device having a back-bias voltage generator Katsuyuki Sato 1990-10-16
4961166 Dynamic RAM having a full size dummy cell Katsuyuki Sato, Kunio Ono 1990-10-02
4839865 Selective application of voltages for testing storage cells in semiconductor memory arrangements Katsuyuki Sato, Hiroshi Kawamoto 1989-06-13