Hayakawa; Akihiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hayakawa; Akihiko.The latest application filed is for "apparatus for treating substrates with a liquid".
- Hayakawa; Akihiko - Toda JP
- Hayakawa; Akihiko - Kyoto JP
| Patent | Date |
|---|---|
| Apparatus for treating substrates with a liquid Grant 4,967,777 - Takayama , et al. November 6, 1 | 1990-11-06 |
| Push-button switch with plunger and switching mechanism Grant 4,873,402 - Honda , et al. October 10, 1 | 1989-10-10 |
| Plunger sensing switch Grant 4,701,582 - Hayashi , et al. October 20, 1 | 1987-10-20 |
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