Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478339 | Displacement absorbing piping joint | Yoichi Abe, Shoichi Kameta, Katsuhiko Hagiwara, Takafumi Oshima | 2002-11-12 |
| 6334695 | Embedded-type light | Yoichi Abe, Shoichi Kameta, Katsuhiko Hagiwara, Ryoichi Sato | 2002-01-01 |