KASHIWARA SEITAI CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for KASHIWARA SEITAI CO., LTD..The latest application filed is for "check valve and bag having the same".
- KASHIWARA SEITAI CO., LTD. - Kashiwara-Shi JP
- Kashiwara, Seitai Co., Ltd. - Osaka JP
- Kashiwara Seitai Co., Ltd. -
| Patent | Date |
|---|---|
| Valve structure Grant 9,517,874 - Koyanagi December 13, 2 | 2016-12-13 |
| Air-filling cushioning material and method for manufacturing the same Grant 7,297,387 - Koyanagi November 20, 2 | 2007-11-20 |
| Mounting structure of an open/close valve in a sealed body Grant 7,249,612 - Koyanagi July 31, 2 | 2007-07-31 |
| Air-filled cushioning material Grant 7,228,969 - Nakano June 12, 2 | 2007-06-12 |
| Check valve and bag having the same App 20050175261 - Koyanagi, Yoshihumi | 2005-08-11 |
| Compressive sealed bag for compressible articles such as clothing and the same Grant 5,540,500 - Tanaka July 30, 1 | 1996-07-30 |
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