Masahiro Doi

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multiprinting thermal transfer ink ribbon cassette
- Patent number 4,907,902
- Issue date Mar 13, 1990
- Tokyo Electric Co., Ltd.
- Masahiro Doi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Sheet supply device
- Patent number 4,711,443
- Issue date Dec 8, 1987
- Tokyo Electric Co., Ltd.
- Tsutomu Fujiwara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL