Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644863 | Angled optical fiber connector | Yukio Kaneko, Hiromu Yorozu | 2003-11-11 |
| 5835612 | Speaker apparatus | Masao Fujihira, Makoto Yamagishi | 1998-11-10 |
| 5115473 | Transducer having two ducts | Makoto Yamagishi, Masao Fujihira, Ikuo Shinohara | 1992-05-19 |