Buncho Corporation
Patent Applications and Registrations
Patent applications and USPTO patent grants for Buncho Corporation.The latest application filed is for "multi-color crayon or oil pastel and method of producing the same".
- Buncho Corporation - Tokyo JP
- Buncho Corporation - JP JP
- Buncho Corporation -
| Patent | Date |
|---|---|
| Solid drawing material Grant 7,547,355 - Seki , et al. June 16, 2 | 2009-06-16 |
| Multi-color crayon or oil pastel and method of producing the same Grant 6,673,138 - Seki , et al. January 6, 2 | 2004-01-06 |
| Solid glitter marker Grant 6,602,332 - Seki August 5, 2 | 2003-08-05 |
| Multi-color crayon or oil pastel and method of producing the same App 20020195021 - Seki, Koji ; et al. | 2002-12-26 |
| Toy accessories Grant 4,936,699 - Yoshida June 26, 1 | 1990-06-26 |
| Eraser Grant 4,918,130 - Kano , et al. April 17, 1 | 1990-04-17 |
| Toy automobile having a body formed by a composition for writing Grant 4,768,987 - Usui , et al. September 6, 1 | 1988-09-06 |
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