Hama Corporation Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hama Corporation Co., Ltd..The latest application filed is for "self-heating container".
- Hama Corporation Co., Ltd. - Saitama JP
| Patent | Date |
|---|---|
| Self-heating container Grant 4,895,135 - Hamasaki January 23, 1 | 1990-01-23 |
| Self-heating foodstuff container Grant 4,773,389 - Hamasaki September 27, 1 | 1988-09-27 |
| Self-heating container Grant 4,762,113 - Hamasaki August 9, 1 | 1988-08-09 |
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