Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D478067 | Headphone | Hiroko Kawakami, Ayako Tanaka, Kazuhiko Yamaoka | 2003-08-05 |
| D476635 | Portable wireless telephone | Michio Nagai, Atsushi Ohta, Masaki Shimamura, Katsuya Sakaguchi, Kazuya KUMAZAWA +3 more | 2003-07-01 |