Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304579 | Facsimile transceiver | Sumio Ogawara, Akira Chiku, Toshihiro Kumano, Yoshitatsu Okiyama | 1989-11-14 |
| D288093 | Facsimile transceiver | Hidemi Watanabe, Toshihiro Kumano, Minoru Terakado, Yoshitatsu Okiyama | 1987-02-03 |
| D278817 | Facsimile Transceiver | Masaru Ohno, Toshihiro Kumano | 1985-05-14 |
| D262967 | Facsimile transceiver | Kunihiko Asakura | 1982-02-09 |