Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217917 | Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor | Yasushi Takahashi, Hidetoshi Iwai, Satoshi Oguchi, Hisashi Nakamura, Hiroyuki Uchiyama +10 more | 1993-06-08 |
| 5208782 | Semiconductor integrated circuit device having a plurality of memory blocks and a lead on chip (LOC) arrangement | Toshiyuki Sakuta, Masamichi Ishihara, Kazuyuki Miyazawa, Masanori Tazunoki, Hidetoshi Iwai +10 more | 1993-05-04 |
| 5197033 | Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions | Takao Watanabe, Goro Kitsukawa, Yoshiki Kawajiri, Takayuki Kawahara, Kiyoo Itoh | 1993-03-23 |
| 5148255 | Semiconductor memory device | Shinji Nakazato, Hideaki Uchida, Yoshikazu Saito, Masahiro Yamamura, Yutaka Kobayashi +7 more | 1992-09-15 |
| 5086238 | Semiconductor supply incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions | Takao Watanabe, Goro Kitsukawa, Yoshiki Kawajiri, Takayuki Kawahara, Kiyoo Itoh | 1992-02-04 |
| 5045904 | Semiconductor device including an improved trench arrangement | Yutaka Kobayashi, Akihiro Tanba, Kyoichiro Asayama, Seigoh Yukutake, Hiroyuki Miyazawa +2 more | 1991-09-03 |
| 4999519 | Semiconductor circuit with low power consumption having emitter-coupled logic or differential amplifier | Goro Kitsukawa, Kazumasa Yanagisawa, Takayuki Kawahara, Yoshinobu Nakagome, Noriyuki Hamma +2 more | 1991-03-12 |
| 4992986 | Semiconductor memory | Kiyoo Itoh | 1991-02-12 |
| 4965769 | Semiconductor memory capable of high-speed data erasing | Jun Etoh, Kiyoo Itoh, Masakazu Aoki | 1990-10-23 |
| 4930112 | Semiconductor device having a voltage limiter | Hitoshi Tanaka, Kiyoo Itoh, Katsutaka Kimura, Katsuhiro Shimohigashi | 1990-05-29 |
| 4916389 | Semiconductor integrated circuit with voltage limiter having different output ranges from normal operation and performing of aging tests | Kiyoo Itoh, Hitoshi Tanaka | 1990-04-10 |
| 4894696 | Dynamic random access memory having a trench capacitor | Eiji Takeda, Kiyoo Itoh, Katsuhiro Shimohigashi, Katsutaka Kimura | 1990-01-16 |
| 4873673 | Driver circuit having a current mirror circuit | Kiyoo Itoh, Goro Kitsukawa, Yoshiki Kawajiri, Takao Watanabe, Takayuki Kawahara | 1989-10-10 |
| 4853899 | Semiconductor memory having amplifier including bipolar transistor | Goro Kitsukawa, Takao Watanabe, Kiyoo Itoh | 1989-08-01 |
| 4837462 | Semiconductor decoder circuit having switching means for preventing counterflow | Takao Watanabe, Goro Kitukawa, Kiyoo Itoh, Yoshiki Kawajiri, Takayuki Kawahara | 1989-06-06 |
| 4825418 | Semiconductor memory | Kiyoo Itoh | 1989-04-25 |
| 4796234 | Semiconductor memory having selectively activated blocks including CMOS sense amplifiers | Kiyoo Itoh, Yoshiki Kawajiri, Katsutaka Kimura, Jun Etoh | 1989-01-03 |
| 4748591 | Semiconductor memory | Kiyoo Itoh | 1988-05-31 |
| 4739497 | Semiconductor memory | Kiyoo Itoh | 1988-04-19 |
| 4730132 | Semiconductor device having bipolar transistor and insulated gate field effect transistor with two potential power source | Takao Watanabe, Goro Kitukawa, Kiyoo Itoh, Yoshiki Kawajiri, Takayuki Kawahara | 1988-03-08 |
| 4716313 | Pulse drive circuit | Kiyoo Itoh, Jun Etoh | 1987-12-29 |
| 4691304 | Semiconductor device having an arrangement for preventing operational errors | Kiyoo Itoh | 1987-09-01 |
| 4686650 | Monolithic storage device | Kiyoo Ito | 1987-08-11 |
| 4675845 | Semiconductor memory | Kiyoo Itoh | 1987-06-23 |
| 4641279 | Semiconductor memory device having a dummy cell and a memory cell which is twice the size of the dummy cell | Katsutaka Kimura, Kiyoo Ito, Hideo Sunami | 1987-02-03 |