Okafuji Masaharu

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Patents Grantslast 30 patents

Information Patent Grant
Flaw detection system for light-transmitting plate material
- Patent number 5,387,978
- Issue date Feb 7, 1995
- Nippon Sheet Glass Co, Ltd.
- Masaharu Okafuji
- G01 - MEASURING TESTING
Information Patent Grant
Glass-plate sorting system
- Patent number 5,104,523
- Issue date Apr 14, 1992
- Nippon Sheet Glass Co., Ltd.
- Okafuji Masaharu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Discriminating type flaw detector for light-transmitting plate mate...
- Patent number 4,914,309
- Issue date Apr 3, 1990
- Nippon Sheet Glass Co., Ltd.
- Okafuji Masaharu
- G01 - MEASURING TESTING