Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364992 | Two layer absorbent article with super water-absorbing polymer | Kazunori Nishizawa | 1982-12-21 |
| 4357938 | Disposable diaper | Harumasa Yamasaki, Kazunori Nishizawa | 1982-11-09 |
| 4334299 | Optical signal recording and reproducing system | Satoshi Komurasaki, Isao Watanabe | 1982-06-08 |
| 4322800 | Method of reducing fuel consumption rate in internal combustion engines | Takashi Hisegawa, Nobuhito Hobo, Yoshihiko Tsuzuki, Yutaka Suzuki, Mikio Kumano +1 more | 1982-03-30 |