Nagashima; Mitsukatsu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nagashima; Mitsukatsu.The latest application filed is for "audio guide device, audio guide method, and audio guide program".
- Nagashima; Mitsukatsu - Tokyo JP
| Patent | Date |
|---|---|
| Travel route display system Grant 7,904,239 - Ishii , et al. March 8, 2 | 2011-03-08 |
| Audio Guide Device, Audio Guide Method, And Audio Guide Program App 20090192707 - Nakatsuka; Yoshinori ; et al. | 2009-07-30 |
| Travel Route Display System App 20090082958 - Ishii; Miyuki ; et al. | 2009-03-26 |
| Speaker Grant D302,430 - Matsushima , et al. July 25, 1 | 1989-07-25 |
| Speaker Grant D295,857 - Nagashima May 24, 1 | 1988-05-24 |
| Collapsible headphone structure Grant 4,597,469 - Nagashima | 1986-07-01 |
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