Tamio Ohori

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ink ejection head
- Patent number 4,429,317
- Issue date Jan 31, 1984
- Ricoh Company, Ltd.
- Michio Umezawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrostatic printing apparatus comprising improved electrode driv...
- Patent number 4,262,294
- Issue date Apr 14, 1981
- Ricoh Company, Ltd.
- Kazuyuki Hara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS