Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899794 | Speaker device, and method and device for producing the same | Teruho Yamada, Masahiko Kawahara, Yukio Sugimoto, Toshikazu Iwasaki | 2005-05-31 |
| 6874489 | Combustion chamber structure for internal combustion engine | Akiyuki Yonekawa, Ayako Saito, Naohiro Ishikawa, Tohru Ohta | 2005-04-05 |