Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450392 | Groove shape for single butt welding and inspection method of weld zone thereof | Yutaka Kimura | 2002-09-17 |
| 6439965 | Polishing pad and surface polishing method | Mitsuyoshi Ichino, Yoshiaki Ishizawa, Yasushi Ito, Takahiro Shimobayashi, Gosuke Ikemori +1 more | 2002-08-27 |
| 6433047 | Polyamide composition | Yutaka Yamaguchi | 2002-08-13 |
| 6390250 | Rotary friction member, and process for producing the same | Katsuhiro Kitamura, Katsuhiro Shibata, Yasuhiro Nakao | 2002-05-21 |
| 6374028 | Ridge waveguide-type optical semiconductor device and method of fabricating the same | Koji Yamada | 2002-04-16 |
| 6371359 | Stainless steel pipe and joining method thereof | Yutaka Kimura | 2002-04-16 |
| 6356010 | Color picture tube having a shadow mask with specified resonance frequency parameters | — | 2002-03-12 |