Kenji Okada

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for detecting print-termination in line printer
- Patent number 5,150,648
- Issue date Sep 29, 1992
- Hitachi Koki Co., Ltd.
- Kenji Okada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Paper hole detecting apparatus with slidable reflector
- Patent number 4,609,815
- Issue date Sep 2, 1986
- Hitachi Koki Company, Limited
- Hiroshi Hishinuma
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL