Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669900 | Method of manufacturing magnesium alloy molded product, painted structure thereof, method of painting the same, and casings using the same | Koji Matsunaga, Yukio Nishikawa, Mitsuharu Kamikawaji, Keizou Matsumura, Akira Takara | 2003-12-30 |
| 6409844 | Surface-treated article of magnesium or magnesium alloys, method of surface preparation and method of coating | Yoshiaki Kondou, Yukio Nishikawa, Yoshihiko Nishizawa, Yoshinori Sakamoto, Takeshi Fujiwaki | 2002-06-25 |
| 5957553 | Audiovisual equipment and casing thereof and method of producing the same | Tomio Shiota, Kaoru Shimizu | 1999-09-28 |
| 5868475 | Audiovisual equipment and casing thereof and method of producing the same | Tomio Shiota, Kaoru Shimizu | 1999-02-09 |
| 5851334 | Method of producing casing for audiovisual equipment | Tomio Shiota, Kaoru Shimizu | 1998-12-22 |
| 5825903 | Speaker grille | Tomio Shiota, Kaoru Shimizu | 1998-10-20 |
| 5754669 | Speaker grille | Tomio Shiota, Kaoru Shimizu | 1998-05-19 |