Motoi Hiramatsu

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of judging the lip turnover of a seal and apparatus for inse...
- Patent number 6,234,003
- Issue date May 22, 2001
- Ricoh Company, Ltd.
- Mitsuru Nakajima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for sliding a seal with a lip onto a shaft, method for uncur...
- Patent number 6,226,851
- Issue date May 8, 2001
- Ricoh Company, Ltd.
- Mitsuru Nakajima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for sliding a seal with a lip onto a shaft, method for uncur...
- Patent number 6,223,424
- Issue date May 1, 2001
- Ricoh Company, Ltd.
- Mitsuru Nakajima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for sliding a seal with a lip onto a shaft, method for uncur...
- Patent number 6,212,754
- Issue date Apr 10, 2001
- Ricoh Company, Ltd.
- Mitsuru Nakajima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of judging the lip turnover of a seal and apparatus for inse...
- Patent number 6,053,029
- Issue date Apr 25, 2000
- Ricoh Company, Ltd.
- Mitsuru Nakajima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...