Sekisui Kagaku Kogyo K.K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sekisui Kagaku Kogyo K.K..The latest application filed is for "sludge treatment tank and construction method thereof".
- Sekisui Kagaku Kogyo K.K. - Osaka-fu JP
- Sekisui Kagaku Kogyo K.K. - Osaka JP
- Sekisui Kagaku Kogyo K.K. - JP JP
| Patent | Date |
|---|---|
| Sludge treatment tank and construction method thereof Grant 5,672,506 - Aoyagi , et al. September 30, 1 | 1997-09-30 |
| Portable electronic calculator Grant D318,287 - Tsukamoto July 16, 1 | 1991-07-16 |
| Ball valve Grant D297,254 - Odate , et al. August 16, 1 | 1988-08-16 |
| Agricultural covering multilayer film or sheet structure and method for thermal insulation Grant 4,250,661 - Kodera , et al. February 17, 1 | 1981-02-17 |
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