Issued Patents All Time
Showing 151–175 of 181 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528548 | Voltage converter of semiconductor device | Ryoichi Hori, Kiyoo Itoh, Yoshinobu Nakagome, Masakazu Aoki, Hitoshi Tanaka | 1996-06-18 |
| 5521527 | Semiconductor integrated circuits with power reduction mechanism | Takeshi Sakata, Kiyoo Itoh | 1996-05-28 |
| 5448526 | Semiconductor integrated circuit device | Kiyoo Itoh, Yoshiki Kawajiri, Goro Kitsukawa, Takayuki Kawahara, Takesada Akiba | 1995-09-05 |
| 5426616 | Semiconductor IC device having a voltage conversion circuit which generates an internal supply voltage having value compensated for external supply voltage variations | Kazuhiko Kajigaya, Tetsu Udagawa, Kyoko Ishii, Manabu Tsunozaki, Kazuyoshi Oshima +4 more | 1995-06-20 |
| 5408144 | Semiconductor integrated circuits with power reduction mechanism | Takeshi Sakata, Kiyoo Itoh | 1995-04-18 |
| 5402375 | Voltage converter arrangement for a semiconductor memory | Ryoichi Hori, Kiyoo Itoh, Yoshinobu Nakagome, Masakazu Aoki, Hitoshi Tanaka | 1995-03-28 |
| 5402376 | Semiconductor memory having redundancy circuit | Jun Etoh, Masakazu Aoki, Yoshinobu Nakagome, Hitoshi Tanaka, Kiyoo Itoh | 1995-03-28 |
| 5383080 | Semiconductor integrated circuit having voltage limiter circuit | Jun Etoh, Masakazu Aoki, Shigeki Ueda, Hitoshi Tanaka, Kazuhiko Kajigaya +2 more | 1995-01-17 |
| 5376839 | Large scale integrated circuit having low internal operating voltage | Masakazu Aoki, Kiyoo Itoh, Yoshinobu Nakagome, Norio Miyake, Takaaki Noda +3 more | 1994-12-27 |
| 5347492 | Semiconductor integrated circuit device | Kiyoo Itoh, Yoshiki Kawajiri, Goro Kitsukawa, Takayuki Kawahara, Takesada Akiba | 1994-09-13 |
| 5289425 | Semiconductor integrated circuit device | Kiyoo Itoh, Yoshiki Kawajiri, Goro Kitsukawa, Takayuki Kawahara, Takesada Akiba | 1994-02-22 |
| 5274601 | Semiconductor integrated circuit having a stand-by current reducing circuit | Takayuki Kawahara, Yoshiki Kawajiri, Takesada Akiba, Takao Watanabe, Goro Kitsukawa +3 more | 1993-12-28 |
| 5272393 | Voltage converter of semiconductor device | Ryoichi Hori, Kiyoo Itoh, Yoshinobu Nakagome, Masakazu Aoki, Hitoshi Tanaka | 1993-12-21 |
| 5265055 | Semiconductor memory having redundancy circuit | Jun Etoh, Masakazu Aoki, Kiyoo Itoh | 1993-11-23 |
| 5262993 | Semiconductor memory having redundancy circuit with means to switch power from a normal memory block to a spare memory block | Jun Etoh, Masakazu Aoki, Yoshinobu Nakagome, Hitoshi Tanaka, Kiyoo Itoh | 1993-11-16 |
| 5254880 | Large scale integrated circuit having low internal operating voltage | Masakazu Aoki, Kiyoo Itoh, Yoshinobu Nakagome, Norio Miyake, Takaaki Noda +3 more | 1993-10-19 |
| 5179539 | Large scale integrated circuit having low internal operating voltage | Masakazu Aoki, Kiyoo Itoh, Yoshinobu Nakagome, Norio Miyake, Takaaki Noda +3 more | 1993-01-12 |
| 5056095 | Semiconductor memory having error correction circuit | Masakazu Aoki, Kiyoo Itoh | 1991-10-08 |
| 4994688 | Semiconductor device having a reference voltage generating circuit | Masakazu Aoki, Kiyoo Itoh, Yoshinobu Nakagome, Norio Miyake, Takaaki Noda +3 more | 1991-02-19 |
| 4958325 | Low noise semiconductor memory | Yoshinobu Nakagome, Kiyoo Itoh, Masakazu Aoki, Shin'ichi Ikenaga, Hitoshi Tanaka | 1990-09-18 |
| 4949306 | Sense circuit and semiconductor memory having a current-voltage converter circuit | Yoshinobu Nakagome, Masakazu Aoki, Kiyoo Itoh, Shinichi Ikenaga | 1990-08-14 |
| 4942556 | Semiconductor memory device | Toshio Sasaki, Masakazu Aoki, Yoshinobu Nakagome, Shinichi Ikenaga, Toshiaki Masuhara | 1990-07-17 |
| 4853747 | Copying apparatus exposure device | Minoru Yakubo, Yoshikazu Tamura, Mamoru Ogasawara | 1989-08-01 |
| 4849792 | Photosensitive material feeding apparatus used in a copying machine | Minoru Yakubo | 1989-07-18 |
| 4843431 | Exposure control and color correcting device | Minoru Yakubo | 1989-06-27 |