Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638497 | Framing code detector for a teletext receiver | Keiji Kawata | 1987-01-20 |
| 4591845 | Character and graphic signal generating apparatus | Shigeru Hirahata | 1986-05-27 |
| 4589936 | Method for fabricating a semiconductor device by co-diffusion of arsenic and phosphorus | — | 1986-05-20 |
| 4577397 | Method for manufacturing a semiconductor device having vertical and lateral transistors | Hiroshi Inoue, Michio Nakamura | 1986-03-25 |
| 4516147 | Semiconductor device having a substrate covered with a high impurity concentration first polycrystalline layer and then a lower impurity concentration second polycrystalline layer | Hiroshi Inoue | 1985-05-07 |
| 4484212 | Semiconductor device | Michio Nakamura, Katsuji Fujita | 1984-11-20 |
| 4467312 | Semiconductor resistor device | — | 1984-08-21 |
| 4451844 | Polysilicon emitter and base contacts separated by lightly doped poly separator | Michio Nakamura | 1984-05-29 |
| 4438556 | Method of forming doped polycrystalline silicon pattern by selective implantation and plasma etching of undoped regions | Michio Nakamura | 1984-03-27 |
| 4423434 | Semiconductor device having two or more semiconductor elements with paired characteristics regularly arranged in a semiconductor substrate | — | 1983-12-27 |
| 4417318 | Arrangement for control of the operation of a random access memory in a data processing system | Shigeru Hirahata, Teruhiro Takezawa, Nobuo Onuki, Tsuguji Tachiuchi | 1983-11-22 |
| 4408197 | Pattern display apparatus | Kunihiko Nagai, Takuo Koyama, Tsuguji Tachiuchi, Shigeru Hirahata | 1983-10-04 |
| 4404552 | Display device for both a character display and a graphic display | Shigeru Hirahata, Tetsuya Ikeda, Tsuguji Tachiuchi, Teruhiro Takezawa | 1983-09-13 |
| 4388707 | Memory selecting system | Kazushi Mizukami, Tsuguji Tachiuchi, Kunihiko Nagai, Takuo Koyama | 1983-06-14 |
| 4388621 | Drive circuit for character and graphic display device | Shigeru Hirahata, Tsuguji Tachiuchi | 1983-06-14 |
| 4368461 | Digital data processing device | Kunihiko Nagai, Takuo Koyama, Tsuguji Tachiuchi, Mikiaki Kobayashi, Toshiyuki Kurita | 1983-01-11 |
| 4298883 | Plastic material package semiconductor device having a mechanically stable mounting unit for a semiconductor pellet | Satoshi Takahashi, Masao Wakatsuki | 1981-11-03 |
| 4279671 | Method for manufacturing a semiconductor device utilizing dopant predeposition and polycrystalline deposition | — | 1981-07-21 |
| 4272304 | Method of manufacturing a semiconductor device | — | 1981-06-09 |
| 4261765 | Method of manufacturing a semiconductor device | Shinobu Takahashi | 1981-04-14 |
| 4236832 | Strain insensitive integrated circuit resistor pair | Satoshi Takahashi, Kouji Suzuki, Masao Wakatsuki | 1980-12-02 |
| 4224088 | Method for manufacturing a semiconductor device | Hiroshi Inoue | 1980-09-23 |
| 4210689 | Method of producing semiconductor devices | — | 1980-07-01 |