Tadayoshi Yonemoto

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Neyagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for producing an optical element using a moldi...
- Patent number 5,766,294
- Issue date Jun 16, 1998
- Matsushita Electric Industrial Co, Ltd.
- Kazuaki Takagi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing a glass blank used for optical glass elements
- Patent number 5,626,641
- Issue date May 6, 1997
- Matsushita Electric Industrial Co., Ltd.
- Tadayoshi Yonemoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of producing glass blank
- Patent number 5,322,541
- Issue date Jun 21, 1994
- Matsushita Electric Industrial Co., Ltd.
- Yoshiyuki Shimizu
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for producing optical glass element
- Patent number 5,120,343
- Issue date Jun 9, 1992
- Matsushita Electric Industrial Co., Ltd.
- Hideto Monji
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of producing optical glass element and production apparatus...
- Patent number 5,087,279
- Issue date Feb 11, 1992
- Matsushita Electric Industrial Co., Ltd.
- Hideto Monji
- C03 - GLASS MINERAL OR SLAG WOOL