Katsuyuki Ohkubo

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite optical component and its manufacturing method
- Patent number 6,791,771
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Toshihiro Kanematsu
- G02 - OPTICS
Information Patent Grant
Self-acting air bearing apparatus
- Patent number 6,170,988
- Issue date Jan 9, 2001
- Ricoh Company, Ltd.
- Katsuyuki Ohkubo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Easily laterally opened type paper container
- Patent number 5,897,052
- Issue date Apr 27, 1999
- Nippon Paper Industries Co., Ltd.
- Arata Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Composite optical component and its manufacturing method
- Publication number 20020097511
- Publication date Jul 25, 2002
- Toshihiro Kanematsu
- G02 - OPTICS