Tetsumi Ishiguro

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radio pager housing having openings for replacing a crystal oscillator
- Patent number 5,809,411
- Issue date Sep 15, 1998
- NEC Corporation
- Kazuhiro Kudoh
- G08 - SIGNALLING
Information Patent Grant
Radio communication apparatus capable of notifying reception of a c...
- Patent number 5,471,204
- Issue date Nov 28, 1995
- NEC Corporation
- Kazuhiro Kudoh
- G08 - SIGNALLING
Information Patent Grant
Housing structure for paging receiver
- Patent number 4,903,330
- Issue date Feb 20, 1990
- NEC Corporation
- Tetsumi Ishiguro
- G11 - INFORMATION STORAGE