Yasuo Ozawa

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vehicular lamp
- Patent number 5,947,591
- Issue date Sep 7, 1999
- Koito Manufacturing Co., Ltd.
- Toshiyuki Katsumata
- F21 - LIGHTING
Information Patent Grant
Car lamp and socket cover for use with a car lamp
- Patent number 5,833,356
- Issue date Nov 10, 1998
- Koito Manufacturing Co., Ltd.
- Kaoru Yamamoto
- F21 - LIGHTING
Information Patent Grant
Car lamp and socket cover for use with car lamp
- Patent number 5,641,224
- Issue date Jun 24, 1997
- Koito Manufacturing Co., Ltd.
- Hiroyuki Makita
- F21 - LIGHTING
Information Patent Grant
Lighting fixture for automobile use
- Patent number 5,639,154
- Issue date Jun 17, 1997
- Koito Manufacturing Co., Ltd.
- Masahiro Kusagaya
- F21 - LIGHTING
Information Patent Grant
Method of working fresnel step
- Patent number 4,969,783
- Issue date Nov 13, 1990
- Koito Manufacturing Co., Ltd.
- Yasuo Ozawa
- B24 - GRINDING POLISHING
Information Patent Grant
Vehicle lamp lens having Fresnel lens
- Patent number 4,927,248
- Issue date May 22, 1990
- Koito Manufacturing Co., Ltd.
- Koichi Sakakibara
- F21 - LIGHTING