Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477072 | Layout design method on semiconductor chip for avoiding detour wiring | Hiroshi Shimizu | 2002-11-05 |
| 5335199 | Multiport memory | — | 1994-08-02 |
| 5317536 | Dual-port type semiconductor integrated memory circuit | — | 1994-05-31 |
| 4825098 | Bidirectional semiconductor device having only one one-directional device | — | 1989-04-25 |
| 4823321 | Dual port type semiconductor memory device realizing a high speed read operation | — | 1989-04-18 |
| 4809046 | Semiconductor memory device | Takahiko Yamauchi, Teruo Seki | 1989-02-28 |
| 4779227 | Semiconductor memory device | Setsuo Kurafuji, Hideo Itoh | 1988-10-18 |
| 4733377 | Asynchronous semiconductor memory device | Kenji Agatsuma, Yasuaki Suzuki | 1988-03-22 |
| 4730280 | Semiconductor memory device having sense amplifiers with different driving abilities | — | 1988-03-08 |
| 4716307 | Regulated power supply for semiconductor chips with compensation for changes in electrical characteristics or chips and in external power supply | — | 1987-12-29 |
| 4660179 | Semiconductor memory device with switching for redundant cells | — | 1987-04-21 |
| 4656608 | Semiconductor memory device | — | 1987-04-07 |
| 4616344 | Static memory circuit | Eiji Noguchi | 1986-10-07 |
| 4603404 | Semiconductor memory device with redundant cells | Takahiko Yamauchi, Teruo Seki | 1986-07-29 |
| 4596936 | Circuit for shaping digital signals in an integrated circuit | — | 1986-06-24 |
| 4587639 | Static semiconductor memory device incorporating redundancy memory cells | Teruo Seki, Takahiko Yamauchi | 1986-05-06 |
| 4581549 | CMIS chip-select circuit | Takahiko Yamauchi, Teruo Seki | 1986-04-08 |
| 4578778 | Semiconductor memory with load controlling feedback means to reduce power consumption | — | 1986-03-25 |
| 4573147 | Semiconductor memory device | Takahiko Yamauchi, Teruo Seki | 1986-02-25 |
| 4571510 | Decoder circuit | Teruo Seki, Takahiko Yamauchi | 1986-02-18 |
| 4563754 | Static-type random-access memory device | Takahiko Yamauchi, Teruo Seki | 1986-01-07 |
| 4549199 | Semiconductor device providing a contact structure which can be miniaturized | Takahiko Yamauchi, Teruo Seki | 1985-10-22 |
| 4516224 | Semiconductor memory | — | 1985-05-07 |
| 4512012 | Time-switch circuit | Takeshi Sampei, Norio Miyahara, Tadanobu Nikaido, Hiroaki Sato | 1985-04-16 |
| 4507574 | Constant operation speed logic circuit | Teruo Seki, Takahiko Yamauchi | 1985-03-26 |