Yutaka Okabe

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermoreversible recording material, thermoreversible recording med...
- Patent number 5,310,611
- Issue date May 10, 1994
- Oki Electric Industry Co., Ltd.
- Yutaka Okabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermoreversible recording medium, apparatus utilizing the same and...
- Patent number 5,262,374
- Issue date Nov 16, 1993
- Oki Electric Industry Co., Ltd.
- Yutaka Okabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermoreversible recording medium, apparatus utilizing the same and...
- Patent number 5,249,000
- Issue date Sep 28, 1993
- Oki Electric Industry Co., Ltd.
- Yutaka Okabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermoreversible recording medium, apparatus utilizing the same and...
- Patent number 5,157,011
- Issue date Oct 20, 1992
- Oki Electric Industry Co., Ltd.
- Yutaka Okabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS