Issued Patents All Time
Showing 76–100 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5870218 | Nonvolatile semiconductor memory device which stores multi-value information | Yusuke Jyouno, Takayuki Kawahara | 1999-02-09 |
| 5748532 | Semiconductor nonvolatile memory device and computer system using the same | Toshihiro Tanaka, Masataka Kato, Tetsuya Tsujikawa, Kazuyoshi Oshima, Kazuyuki Miyazawa | 1998-05-05 |
| 5694358 | Nonvolatile semiconductor memory device | Takayuki Kawahara, Yusuke Jyouno, Syunichi Saeki, Naoki Miyamoto | 1997-12-02 |
| 5594916 | Neural network processing system using semiconductor memories and processing paired data in parallel | Takao Watanabe, Kiyoo Itoh, Yoshiki Kawajiri | 1997-01-14 |
| 5592415 | Non-volatile semiconductor memory | Masataka Kato, Tetsuo Adachi, Toshihiro Tanaka, Toshio Sasaki, Hitoshi Kume | 1997-01-07 |
| 5550781 | Semiconductor apparatus with two activating modes of different number of selected word lines at refreshing | Ken Sugawara, Shigeru Sakairi, Mikio Matoba, Toshio Sasaki, Katsuhiro Shimohigashi | 1996-08-27 |
| 5532971 | Nonvolatile semiconductor memory having enhanced speed for erasing and programming | Toshihiro Tanaka, Masataka Kato, Keiichi Yoshida, Hitoshi Kume, Yoshinobu Nakagome | 1996-07-02 |
| 5467314 | Method of testing an address multiplexed dynamic RAM | Kazuyuki Miyazawa, Katsuhiro Shimohigashi, Jun Etoh | 1995-11-14 |
| 5430681 | Memory cartridge and its memory control method | Ken Sugawara, Shigeru Sakairi, Mikio Matoba, Toshio Sasaki, Katsuhiro Shimohigashi | 1995-07-04 |
| 5426757 | Data processing circuits in a neural network for processing first data stored in local register simultaneous with second data from a memory | Takao Watanabe, Kiyoo Itoh, Yoshiki Kawajiri | 1995-06-20 |
| 5359556 | Semiconductor memories with serial sensing scheme | Takeshi Sakata, Kiyoo Itoh | 1994-10-25 |
| 5331596 | Address multiplexed dynamic RAM having a test mode capability | Kazuyuki Miyazawa, Katsuhiro Shimohigashi, Jun Etoh | 1994-07-19 |
| 5309393 | Semiconductor memory device | Takeshi Sakata, Kiyoo Itoh | 1994-05-03 |
| 5299165 | Semiconductor memory having one-transistor/one-capacitor memory cells and having both improved noise ratio and high density integration | Takeshi Sakata, Kiyoo Itoh | 1994-03-29 |
| 5299157 | Semiconductor memories with serial sensing scheme | Takeshi Sakata, Kiyoo Itoh | 1994-03-29 |
| 5200635 | Semiconductor device having a low-resistivity planar wiring structure | Toru Kaga, Shinichiro Kimura, Yoshinobu Nakagome, Digh Hisamoto, Yoshifumi Kawamoto +4 more | 1993-04-06 |
| 5165009 | Neural network processing system using semiconductor memories | Takao Watanabe, Kiyoo Itoh, Yoshiki Kawajiri | 1992-11-17 |
| 5151772 | Semiconductor integrated circuit device | Yasushi Takahashi, Hiromi Matsuura, Yoshihisa Koyama, Masaya Muranaka, Kazuyuki Miyazawa +2 more | 1992-09-29 |
| 5117393 | Method of testing memory cells in an address multiplexed dynamic RAM including test mode selection | Kazuyuki Miyazawa, Katsuhiro Shimohigashi, Jun Etoh | 1992-05-26 |
| 4992985 | Method for selectively initiating/terminating a test mode in an address multiplexed DRAM and address multiplexed DRAM having such a capability | Kazuyuki Miyazawa, Katsuhiro Shimohigashi, Jun Etoh | 1991-02-12 |
| 4930112 | Semiconductor device having a voltage limiter | Hitoshi Tanaka, Ryoichi Hori, Kiyoo Itoh, Katsuhiro Shimohigashi | 1990-05-29 |
| 4916700 | Semiconductor storage device | Kazuya Ito, Kazuyuki Miyazawa | 1990-04-10 |
| 4894696 | Dynamic random access memory having a trench capacitor | Eiji Takeda, Kiyoo Itoh, Ryoichi Hori, Katsuhiro Shimohigashi | 1990-01-16 |
| 4873672 | Dynamic random access memory capable of fast erasing of storage data | Jun Etoh, Katsuhiro Shimohigashi, Kazuyuki Miyazawa, Takesada Akiba | 1989-10-10 |
| 4811299 | Dynamic RAM device having a separate test mode capability | Kazuyuki Miyazawa, Katsuhiro Shimohigashi, Jun Etoh | 1989-03-07 |