Iwase; Koichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Iwase; Koichi.The latest application filed is for "combined phonograph record player and magnetic tape recorder for recording on tape the content of a phonograph record".
- Iwase; Koichi - Chofu JA
- Iwase; Koichi - Chofu-shi Tokyo JA
| Patent | Date |
|---|---|
| Combined phonograph record player and magnetic tape recorder for recording on tape the content of a phonograph record Grant 3,906,169 - Iwase , et al. September 16, 1 | 1975-09-16 |
| Tape Cartridge Grant 3,610,552 - Shirakura , et al. October 5, 1 | 1971-10-05 |
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