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Patents Grantslast 30 patents

Information Patent Grant
Method for producing color print having high quality and long life,...
- Patent number 4,968,587
- Issue date Nov 6, 1990
- Kabushiki Kaisha Doi
- Keiziro Sekine
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Shutter release mechanism
- Patent number 4,220,408
- Issue date Sep 2, 1980
- Kabushiki Kaisha Doi
- Fujio Kodaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73325512 - HOURPHOTO
- Serial number 73325512
- Filing date Aug 27, 1981
- KABUSHIKI KAISHA DOI
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments