Mitsuru Ichikawa

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Saituma-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Binocular with rotation transmitting system
- Patent number 6,186,018
- Issue date Feb 13, 2001
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Mitsuru Ichikawa
- G02 - OPTICS
Information Patent Grant
Binocular with rotation transmitting system
- Patent number 6,072,626
- Issue date Jun 6, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Mitsuru Ichikawa
- G02 - OPTICS
Information Patent Grant
Binocular with rotation transmitting system
- Patent number 6,020,998
- Issue date Feb 1, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Mitsuru Ichikawa
- G02 - OPTICS
Information Patent Grant
Binocular with interpupillary adjustment mechanism
- Patent number 5,973,830
- Issue date Oct 26, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Mitsuru Ichikawa
- G02 - OPTICS