Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370224 | Disc housing case | Fujio Nagai, Hikaru Igarashi, Akio Takeda, Hisashi Kuma | 1994-12-06 |
| 5099995 | Disc housing case | Fujio Nagai, Hikaru Igarashi, Akio Takeda, Hisashi Kuma | 1992-03-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370224 | Disc housing case | Fujio Nagai, Hikaru Igarashi, Akio Takeda, Hisashi Kuma | 1994-12-06 |
| 5099995 | Disc housing case | Fujio Nagai, Hikaru Igarashi, Akio Takeda, Hisashi Kuma | 1992-03-31 |