Issued Patents All Time
Showing 201–225 of 231 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D364384 | Semi-conductor element with terminal casing | Tomio Shimizu, Akira Nakahira, Katsumi Yamada | 1995-11-21 |
| 5428568 | Electrically erasable and programmable non-volatile memory device and a method of operating the same | Yasushi Terada, Takeshi Nakayama, Yoshikazu Miyawaki, Tomoshi Futatsuya | 1995-06-27 |
| 5414505 | Lens meter for testing progressive lens | Yukio Ikezawa | 1995-05-09 |
| 5402382 | Nonvolatile semiconductor memory device capable of erasing by a word line unit | Yoshikazu Miyawaki, Yasushi Terada, Takeshi Nakayama, Tomoshi Futatsuya | 1995-03-28 |
| 5371705 | Internal voltage generator for a non-volatile semiconductor memory device | Takeshi Nakayama, Yasushi Terada, Yoshikazu Miyawaki, Tomoshi Futatsuya | 1994-12-06 |
| 5369803 | Car-mounted booster for plug-in connection with mobile telephone set | Naoki Hirasawa | 1994-11-29 |
| 5363330 | Non-volatile semiconductor memory device incorporating data latch and address counter for page mode programming | Takeshi Nakayama, Yoshikazu Miyawaki, Tomoshi Futatsuya, Yasushi Terada | 1994-11-08 |
| 5347490 | Nonvolatile semiconductor memory device | Yasushi Terada, Takeshi Nakayama, Yoshikazu Miyawaki, Masanori Hayashikoshi | 1994-09-13 |
| 5297096 | Nonvolatile semiconductor memory device and data erasing method thereof | Yasushi Terada, Takeshi Nakayama, Yoshikazu Miyawaki, Masanori Hayashikoshi, Tomoshi Futatsuya | 1994-03-22 |
| 5262984 | Non-volatile memory device capable of storing multi-state data | Kenji Noguchi, Tsuyoshi Toyama | 1993-11-16 |
| 5262342 | Method of making a semiconductor memory device having error checking/correcting functions | Tsuyoshi Toyama, Kenji Noguchi | 1993-11-16 |
| 5182725 | Nonvolatile semiconductor memory device with reduced variation in source potential of floating gate type memory transistor and operating method therefor | Nobuaki Andoh, Kenji Kohda, Tsuyoshi Toyama, Kenji Noguchi | 1993-01-26 |
| 5172215 | Overcurrent-limiting type semiconductor device | Shinichi Ito, Toshio Ohkubo, Takeki Okabayashi | 1992-12-15 |
| 5172339 | Semiconductor memory device having error checking and correcting circuit and operating method therefor | Kenji Noguchi, Makoto Yamamoto, Tsuyoshi Toyama | 1992-12-15 |
| 5107313 | Floating gate type semiconductor memory device | Kenji Kohda, Tsuyoshi Toyama, Nobuaki Andoh, Kenji Noguchi | 1992-04-21 |
| 5105386 | Nonvolatile semiconductor memory device with reduced variation in source potential of floating gate type memory transistors and operating method therefor | Nobuaki Andoh, Kenji Kohda, Tsuyoshi Toyama, Kenji Noguchi | 1992-04-14 |
| 5077651 | Snubber circuit of power converter | Masakazu Yoshida, Hiromu Takubo | 1991-12-31 |
| 5055990 | Snubber circuit for power conversion semiconductor elements and assembly thereof | Hiroshi Miki, Yoshitaka Fujiwara, Kiyoshi Iida, Hiromu Takubo, Kunio Shibayama | 1991-10-08 |
| 5040091 | Feed-through capacitor | Osamu Yamaoka, Katsumi Yukawa, Hideomi Kurihara, Hisao Yuasa, Shunjiro Imagawa +1 more | 1991-08-13 |
| 5021999 | Non-volatile semiconductor memory device with facility of storing tri-level data | Kenji Kohda, Tsuyoshi Toyama, Nobuaki Ando, Kenji Noguchi | 1991-06-04 |
| 4958352 | Semiconductor memory device with error check and correcting function | Kenji Noguchi, Tsuyoshi Toyama, Nobuaki Andoh, Kenji Kohda | 1990-09-18 |
| 4949305 | Erasable read-only semiconductor memory device | Tsuyoshi Toyama, Kenji Kohda, Nobuaki Andoh, Kenji Noguchi | 1990-08-14 |
| 4853612 | RF power control circuit | — | 1989-08-01 |
| 4814938 | High voltage capacitor | Hajime Arakawa, Osamu Yamaoka, Kunio Okumura, Kanichi Morishita | 1989-03-21 |
| 4586099 | Head cleaning cassette with automatic stop feature | Hiroyuki Suzuki | 1986-04-29 |