YOICHIRO AZUMA

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Patents Grantslast 30 patents

Information Patent Grant
Reversible thermal recording material and method of recording image...
- Patent number 6,815,679
- Issue date Nov 9, 2004
- Mitsubishi Paper Mills Limited
- Yoichiro Azuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Photoreactive agent containing photoreactive semiconductor for remo...
- Patent number 6,346,253
- Issue date Feb 12, 2002
- Mitsubishi Paper Mills Limited
- Kazuchiyo Takaoka
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Reversible thermal recording material and method of recording image...
- Publication number 20030166467
- Publication date Sep 4, 2003
- Yoichiro Azuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PHOTOREACTIVE AGENT FOR REMOVING HARMFUL MATERIALS
- Publication number 20020006425
- Publication date Jan 17, 2002
- KAZUCHIYO TAKAOKA
- B60 - VEHICLES IN GENERAL