Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304451 | Key board for a computer | Katsuji Kagayama, Yoshihiko Sugiyama | 1989-11-07 |
| D304327 | Microprocessor | Katsuji Kagayama, Yoshihiko Sugiyama, Ikuo Nishimura | 1989-10-31 |
| D304181 | Scanner for computer | Katsuji Kagayama, Yoshihiko Sugiyama | 1989-10-24 |
| D302824 | Cartesian coordinates type robot | Katsuji Kagayama, Ikuo Nishimura | 1989-08-15 |
| D301151 | Cartesian coordinates type robot | Katsuji Kagayama, Ikuo Nishimura | 1989-05-16 |
| D300637 | Cartesian coordinates type robot | Katsuji Kagayama, Ikuo Nishimura | 1989-04-11 |