Maekawa; Kouji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maekawa; Kouji.The latest application filed is for "development process in electrophotography utilizing carbon black of specified coloring power".
- Maekawa; Kouji - Kyoto JP
- Maekawa; Kouji - Tokorozawa JA
- Maekawa; Kouji - Saitama JA
| Patent | Date |
|---|---|
| Development process in electrophotography utilizing carbon black of specified coloring power Grant 4,826,750 - Kato , et al. May 2, 1 | 1989-05-02 |
| Toner for electrophotography comprising azoic pigment having silica core Grant 4,576,888 - Miyakawa , et al. March 18, 1 | 1986-03-18 |
| One-component type red color magnetic developer Grant 4,530,893 - Maekawa , et al. July 23, 1 | 1985-07-23 |
| Loudspeaker With Flat Frequency Characteristics Grant 3,867,586 - Maekawa , et al. February 18, 1 | 1975-02-18 |
| Speaker System Grant 3,719,250 - Maekawa March 6, 1 | 1973-03-06 |
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