Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941149 | Method of melting and/or refining metals and cooling device for the graphite electrode used for the same | Yakka Nakamoto | 1990-07-10 |
| 4907196 | Semiconductor memory device using resonant-tunneling transistor | Toshiro Futatsugi | 1990-03-06 |
| 4849934 | Logic circuit using resonant-tunneling transistor | Naoki Yokoyama | 1989-07-18 |
| 4825250 | Image forming apparatus including exposure scanning means | Masanori Miyata, Yutaka Komiya, Shinichi Nakamura, Masayuki Hirose, Tomobumi Nakayama | 1989-04-25 |
| 4788662 | Semiconductor memory device using resonant-tunneling hot electron transistor | — | 1988-11-29 |
| 4712908 | Image forming apparatus | Tomobumi Nakayama, Masayuki Hirose, Toru Ohbuchi, Masanori Miyata, Shinichi Nakamura +1 more | 1987-12-15 |
| 4647188 | Image forming system | Yutaka Komiya, Shinichi Nakamura, Masanori Miyata, Masayuki Hirose | 1987-03-03 |