Tsutomu Tomatsu

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Nagoya, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrothermal instrument with heat generating element of sintered...
- Patent number 5,376,772
- Issue date Dec 27, 1994
- The Pilot Ink Co., Ltd.
- Tanehiro Nakagawa
- A63 - SPORTS GAMES AMUSEMENTS