Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865056 | Easily breakable plastic capsule and a water filter for a cigarette using the same | Akimichi Tamaoki, Shinichiro Tanaka, Morio Kondo, Masami KAWATA, Ichiro Hirose +2 more | 1989-09-12 |
| 4795065 | Spout for packaging containers | Kenji Ashizawa | 1989-01-03 |