Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5745969 | Method and apparatus for repairing a coke oven | Shigeru Yamada, Hiroyuki Shiraishi, Terutsune Nishio, Keiji Matsuda, Tetsuro Uchida +9 more | 1998-05-05 |
| 5155483 | Channel switching system | — | 1992-10-13 |
| 4984252 | Channel switching system | — | 1991-01-08 |
| 4908839 | Channel switching system | Kiyoshi Funayama | 1990-03-13 |
| 4862457 | Radio transmission system having simplified error coding circuitry and fast channel switching | — | 1989-08-29 |
| 4773081 | Channel switching system | — | 1988-09-20 |
| 4686675 | Channel switching system | Hiromi Hashimoto | 1987-08-11 |
| 4442518 | Channel switching system for use in a digital communication system | — | 1984-04-10 |