Issued Patents All Time
Showing 151–175 of 175 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320703 | Process for forming gold crystal film | Tsutomu Ikeda, Masahiko Miyamoto, Ken Eguchi, Taichi Sugimoto, Haruki Kawada +2 more | 1994-06-14 |
| 5297029 | Semiconductor memory device | Hiroto Nakai, Kaoru Tokushige, Masamichi Asano | 1994-03-22 |
| 5200926 | Semiconductor integrated circuit | Hiroshi Iwahashi, Yuuichi Tatsumi | 1993-04-06 |
| 5196283 | X-ray mask structure, and X-ray exposure process | Tsutomu Ikeda, Masao Sugata | 1993-03-23 |
| 5178332 | Fuel injection valve | Masayoshi Tsukakoshi | 1993-01-12 |
| 5156053 | Measuring system using a robot | Mitsuru Shiraishi | 1992-10-20 |
| 5112707 | Mask structure for lithography | Hirohumi Shibata, Keiko Matsushita, Osamu Takamatsu | 1992-05-12 |
| 5101420 | X-ray mask support and process for preparation thereof | Nobuo Kushibiki, Akira Miyake, Yasuaki Fukuda | 1992-03-31 |
| 5073726 | Input circuit of semiconductor integrated circuit and semiconductor integrated circuit having input circuit | Shinichi Kikuchi, Hiroto Nakai, Hiroshi Iwahashi | 1991-12-17 |
| 5056064 | Semiconductor integrated circuit | Hiroshi Iwahashi, Yuuichi Tatsumi | 1991-10-08 |
| 4983861 | Semiconductor integrated circuit with an input buffer circuit for preventing false operation caused by power noise | Shinichi Kikuchi, Hiroshi Iwahashi, Isao Sato | 1991-01-08 |
| 4959816 | Semiconductor integrated circuit | Hiroshi Iwahashi, Yuuichi Tatsumi | 1990-09-25 |
| 4956249 | Mask structure for lithography | Hirohumi Shibata, Keiko Matsushita, Osamu Takamatsu | 1990-09-11 |
| 4942276 | Clicked key board switch | — | 1990-07-17 |
| 4905314 | Semiconductor integrated circuit device having an object circuit to which output voltages of the sub- and main booster circuits are applied | Hiroshi Iwahashi, Masamichi Asano, Akira Narita, Shinichi Kikuchi | 1990-02-27 |
| 4837123 | Mask structure for lithography, method of preparation thereof and lithographic method | Masaaki Matsushima, Keiko Matsuda, Hirofumi Shibata | 1989-06-06 |
| 4804600 | Lithographic mask structure and process for preparing the same | Hirofumi Shibatya, Keiko Matsuda | 1989-02-14 |
| 4804929 | Control pulse generator | Hiroshi Iwahashi, Masamichi Asano, Akira Narita, Shinichi Kikuchi | 1989-02-14 |
| 4794562 | Electrically-erasable/programmable nonvolatile semiconductor memory device | Hiroshi Iwahashi, Masamichi Asano, Akira Narita, Shinichi Kikuchi | 1988-12-27 |
| 4735877 | Lithographic mask structure and lithographic process | Yoshie Izawa, Keiko Chiba | 1988-04-05 |
| 4677042 | Mask structure for lithography, method for preparation thereof and lithographic method | Masaaki Matsushima, Keiko Matsuda, Hirofumi Shibata | 1987-06-30 |
| 4557476 | Cigarette case jugglery device | — | 1985-12-10 |
| D274041 | Corner pad | — | 1984-05-29 |
| 4407898 | Corner pad | Hiroto Wada | 1983-10-04 |
| 4366897 | Speed drop detector for high-speed bucket belt conveyor | Hiroaki Azuma, Akira Oyama | 1983-01-04 |