Shigenobu Irokawa

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Sendai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for determining the amount of a liquid existing i...
- Patent number 6,474,156
- Issue date Nov 5, 2002
- Tohoku Ricoh Co., Ltd.
- Takanori Endo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Small-size-sheet stacking unit and cleaning sheet therefor
- Patent number 5,667,213
- Issue date Sep 16, 1997
- Tohoku Ricoh Co., Ltd.
- Hiroaki Chida
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL