Makoto Iwaki

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Plastic lens
- Patent number 6,219,191
- Issue date Apr 17, 2001
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Makoto Iwaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Plastic lens
- Patent number 6,144,500
- Issue date Nov 7, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Makoto Iwaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
UV image forming optical system
- Patent number 6,115,175
- Issue date Sep 5, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G02 - OPTICS
Information Patent Grant
Molded plastic lens
- Patent number 6,052,232
- Issue date Apr 18, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Makoto Iwaki
- G02 - OPTICS
Information Patent Grant
UV image forming optical system and lens for UV radiation
- Patent number 5,930,032
- Issue date Jul 27, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G02 - OPTICS
Information Patent Grant
Optical system of optical information recording/reproducing apparatus
- Patent number 5,657,171
- Issue date Aug 12, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G02 - OPTICS
Information Patent Grant
Optical system of optical information recording/ reproducing apparatus
- Patent number 5,657,168
- Issue date Aug 12, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G02 - OPTICS
Information Patent Grant
Optical system of optical information recording/reproducing apparatus
- Patent number 5,644,437
- Issue date Jul 1, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G02 - OPTICS
Information Patent Grant
Optical system of optical information recording/reproducing apparatus
- Patent number 5,638,221
- Issue date Jun 10, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G02 - OPTICS
Information Patent Grant
Objective lens and method of measuring its performance
- Patent number 5,500,767
- Issue date Mar 19, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Collimating lens for optical system using semiconductor laser
- Patent number 5,491,587
- Issue date Feb 13, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Makoto Iwaki
- G02 - OPTICS
Information Patent Grant
Optical system of optical information recording/reproducing apparatus
- Patent number 5,479,296
- Issue date Dec 26, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyana
- G02 - OPTICS
Information Patent Grant
Method and apparatus for measuring lens performance
- Patent number 5,335,059
- Issue date Aug 2, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyuma
- G01 - MEASURING TESTING
Information Patent Grant
Optical system of optical information recording/reproducing apparatus
- Patent number 5,321,550
- Issue date Jun 14, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G02 - OPTICS
Information Patent Grant
Objective lens system of optical information recording/reproducing...
- Patent number 5,173,809
- Issue date Dec 22, 1992
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Makoto Iwaki
- G02 - OPTICS
Information Patent Grant
Objective driving device for an optical disk apparatus
- Patent number 4,956,833
- Issue date Sep 11, 1990
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kokado
- G11 - INFORMATION STORAGE

Makoto Iwaki

Person

Patents Grantslast 30 patents

Plastic lens

Plastic lens

UV image forming optical system

Molded plastic lens

UV image forming optical system and lens for UV radiation

Optical system of optical information recording/reproducing apparatus

Optical system of optical information recording/ reproducing apparatus

Optical system of optical information recording/reproducing apparatus

Optical system of optical information recording/reproducing apparatus

Objective lens and method of measuring its performance

Collimating lens for optical system using semiconductor laser

Optical system of optical information recording/reproducing apparatus

Method and apparatus for measuring lens performance

Optical system of optical information recording/reproducing apparatus

Objective lens system of optical information recording/reproducing...

Objective driving device for an optical disk apparatus