Otouma; Hiroshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Otouma; Hiroshi.The latest application filed is for "recording sheet".
- Otouma; Hiroshi - Yokohama JP
| Patent | Date |
|---|---|
| Recording sheet Grant 4,780,356 - Otouma , et al. October 25, 1 | 1988-10-25 |
| Cathode having high durability and low hydrogen overvoltage and process for the production thereof Grant 4,536,259 - Oda , et al. August 20, 1 | 1985-08-20 |
| Anode for the electrolysis of water Grant 4,498,962 - Oda , et al. February 12, 1 | 1985-02-12 |
| Method for water electrolysis Grant 4,470,893 - Oda , et al. * September 11, 1 | 1984-09-11 |
| Electrode Grant 4,444,641 - Oda , et al. April 24, 1 | 1984-04-24 |
| Low hydrogen overvoltage electrode Grant 4,302,322 - Oda , et al. November 24, 1 | 1981-11-24 |
| Process for preparing electrode Grant 4,290,859 - Oda , et al. September 22, 1 | 1981-09-22 |
| Electrode Grant 4,255,247 - Oda , et al. March 10, 1 | 1981-03-10 |
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