Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478339 | Displacement absorbing piping joint | Yoichi Abe, Katsuhiko Hagiwara, Shunji Kawabata, Takafumi Oshima | 2002-11-12 |
| 6372038 | Concrete composition for overlay method and hardened product therefrom | Ryoichi Sato, Yoichi Abe, Makoto Tanimura, Tetsuro Niinuma, Hidemi Nakamura +1 more | 2002-04-16 |
| 6357963 | Concrete for jointing and method of jointing using said concrete | Yoichi Abe, Ryoichi Sato, Satoshi Tanaka, Rokuro Tomita | 2002-03-19 |
| 6334695 | Embedded-type light | Yoichi Abe, Katsuhiko Hagiwara, Shunji Kawabata, Ryoichi Sato | 2002-01-01 |