Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602469 | Apparatus for detecting the amplitude and phase of an a.c. signal | Shinzo Tamai, Hatsuhiko Naitoh, Naohiro Toki | 1997-02-11 |
| 5500672 | Multi-media communication apparatus for transmitting audio information, video information and character information simultaneously | — | 1996-03-19 |
| 5498955 | Apparatus for detecting the amplitude and phase of an a.c. signal | Shinzo Tamai, Hatsuhiko Naitoh, Naohiro Toki | 1996-03-12 |
| 4217689 | Process for preparing semiconductor devices | Kiyohiko Mihara, Shigeru Hokuyo, Yoshio Ishibashi | 1980-08-19 |