Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305218 | Baby stroller | Yoshiyasu Ishii, Hiroaki Matsuda | 1989-12-26 |
| D303459 | Baby seat | Yoshiyasu Ishii, Susumu Matsumoto | 1989-09-19 |
| D302707 | Toy vehicle | Yoshiyasu Ishii, Susumu Matsumoto | 1989-08-08 |
| D302188 | Animal toy | Yoshiyasu Ishii, Keiko Akimoto | 1989-07-11 |
| D302189 | Animal toy | Yoshiyasu Ishii, Taira Hanashima | 1989-07-11 |
| D302028 | Animal toy | Yoshiyasu Ishii, Hiroaki Matsuda | 1989-07-04 |
| 4832361 | Foldable baby carriage | Yoshiyuki Suzuki, Hitoshi Kato | 1989-05-23 |
| 4817938 | Bicycle ergometer and eddy current brake therefor | Masao Itoh, Akira Itoh, Hiroshi Takano | 1989-04-04 |
| 4805928 | Reclining mechanism of baby carriage | Yoshiyuki Suzuki, Hitoshi Kato | 1989-02-21 |
| 4800310 | Bicycle ergometer and eddy current brake therefor | Masao Itoh, Akira Itoh, Hiroshi Takano | 1989-01-24 |