Yutaka Wakita

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Ishinomaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermally sensitive recording medium
- Patent number 6,303,540
- Issue date Oct 16, 2001
- Nippon Paper Industries Co Ltd
- Tadakazu Fukuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Spontaneously color changing type thermal sensitive recording medium
- Patent number 6,093,678
- Issue date Jul 25, 2000
- Nippon Paper Industries Co. Ltd.
- Kaoru Hamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal sensitive recording sheet
- Patent number 5,753,586
- Issue date May 19, 1998
- Nippon Paper Industries Co., Ltd.
- Kaoru Hamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal recording sheet
- Patent number 5,747,414
- Issue date May 5, 1998
- Nippon Paper Industries, Ltd.
- Naomi Ogino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal recording medium
- Patent number 5,731,262
- Issue date Mar 24, 1998
- Nippon Paper Industries Co., Ltd.
- Naomi Ogino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS