Toho Belson Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Toho Belson Co., Ltd..The latest application filed is for "precursor for production of preoxidized fibers or carbon fibers".
- Toho Belson Co., Ltd. - Tokyo JP
| Patent | Date |
|---|---|
| Precursor for production of preoxidized fibers or carbon fibers Grant 4,830,845 - Ogawa , et al. May 16, 1 | 1989-05-16 |
| Filter Grant 4,772,455 - Izumi , et al. September 20, 1 | 1988-09-20 |
| Epoxy resin composition Grant 4,500,660 - Minamisawa , et al. February 19, 1 | 1985-02-19 |
| Emulsion type sizing agent for carbon fibers, process for its preparation, and method for using same Grant 4,420,512 - Ogawa , et al. December 13, 1 | 1983-12-13 |
| Method for manufacture of activated carbon fiber Grant 4,412,937 - Ikegami , et al. November 1, 1 | 1983-11-01 |
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