Kawabe; Hidehiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kawabe; Hidehiko.The latest application filed is for "hydroponic system".
- Kawabe; Hidehiko - Yawata JP
- Kawabe; Hidehiko - Hirakata JP
- Kawabe; Hidehiko - Moriguchi JP
| Patent | Date |
|---|---|
| Hydroponic system Grant 4,937,969 - Kawabe , et al. July 3, 1 | 1990-07-03 |
| Soilless culture device Grant 4,302,906 - Kawabe , et al. December 1, 1 | 1981-12-01 |
| Apparatus for controlling pH of culture solution for a living organism Grant 4,152,215 - Yoshino , et al. May 1, 1 | 1979-05-01 |
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