Rie Harunaga

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Patents Grantslast 30 patents

Information Patent Grant
Heat-sensitive recording material
- Patent number 6,680,281
- Issue date Jan 20, 2004
- Oji Paper Co., Ltd.
- Masanao Tajiri
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material with a high fog resistance
- Patent number 5,804,528
- Issue date Sep 8, 1998
- Oji Paper Co., Ltd.
- Yasuyuki Aoki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Heat-sensitive recording material
- Publication number 20020006869
- Publication date Jan 17, 2002
- Masanao Tajiri
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS