Issued Patents 1989
Showing 1–1 of 1 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, Ichiro Hirose, Hiroshi Uematsu +2 more | 1989-09-12 |