Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757360 | Hand held computer control device | Darrin Jewell, Marilyn A. Walker | 1998-05-26 |
| 5347306 | Animated electronic meeting place | — | 1994-09-13 |
| 4234902 | Enclosed lightning arrester | Yukio Fujiwara, Shigeru Yamaji, Yoshikazu Shibuya | 1980-11-18 |
| 4219862 | Lightning arrester device | Yoshikazu Shibuya, Yukio Fuziwara | 1980-08-26 |