Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849529 | Method for production of spiro-orthocarbonate | Kiyokazu Mizutani, Kuniko Ogasawara, Takeshi Endo | 1989-07-18 |
| 4832361 | Foldable baby carriage | Shinroku Nakao, Yoshiyuki Suzuki | 1989-05-23 |
| 4805928 | Reclining mechanism of baby carriage | Shinroku Nakao, Yoshiyuki Suzuki | 1989-02-21 |