Masahide Oyama

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Patents Grantslast 30 patents

Information Patent Grant
Electric surgical operation apparatus
- Patent number 6,663,623
- Issue date Dec 16, 2003
- Olympus Optical Co., Ltd.
- Masahide Oyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrical surgical operating apparatus
- Patent number 6,464,696
- Issue date Oct 15, 2002
- Olympus Optical Co., Ltd.
- Masahide Oyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrosurgery apparatus and medical apparatus combined with the same
- Patent number 5,931,836
- Issue date Aug 3, 1999
- Olympus Optical Co., Ltd.
- Shinji Hatta
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE