Naomi Sumikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developers for thermal recording materials and thermal recording ma...
- Patent number 7,141,359
- Issue date Nov 28, 2006
- API Corporation
- Mamoru Suga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermal recording material
- Patent number 6,677,275
- Issue date Jan 13, 2004
- Nippon Paper Industries Co., Ltd.
- Yoshimi Midorikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermally sensitive recording type adhesive level
- Patent number 6,596,358
- Issue date Jul 22, 2003
- Nippon Paper Industries Co Ltd
- Tastuhiko Sakamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thermal recording material
- Patent number 6,551,961
- Issue date Apr 22, 2003
- Nippon Paper Industries Co Ltd
- Yoshimi Midorikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal recording material
- Patent number 6,407,036
- Issue date Jun 18, 2002
- Nippon Paper Industries Co Ltd
- Yoshimi Midorikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Developers for thermal recording materials and thermal recording ma...
- Publication number 20050118526
- Publication date Jun 2, 2005
- Mamoru Suga
- C07 - ORGANIC CHEMISTRY