Masayuki Usui

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical information processing method and apparatus including measu...
- Patent number 5,532,990
- Issue date Jul 2, 1996
- Canon Kabushiki Kaisha
- Osamu Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information processing apparatus in which the offset of a t...
- Patent number 5,517,475
- Issue date May 14, 1996
- Canon Kabushiki Kaisha
- Osamu Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information processing apparatus including a correction cir...
- Patent number 5,404,346
- Issue date Apr 4, 1995
- Canon Kabushiki Kaisha
- Osamu Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information processing apparatus for correcting linearity o...
- Patent number 5,347,503
- Issue date Sep 13, 1994
- Canon Kabushiki Kaisha
- Osamu Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method for reciprocally recording and verifyi...
- Patent number 5,247,505
- Issue date Sep 21, 1993
- Canon Kabushiki Kaisha
- Satoshi Shikichi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical apparatus for effecting recording and/or reproducing of inf...
- Patent number 5,195,081
- Issue date Mar 16, 1993
- Canon Kabushiki Kaisha
- Masayuki Usui
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording and reproducing apparatus including detection...
- Patent number 5,119,356
- Issue date Jun 2, 1992
- Canon Kabushiki Kaisha
- Kazuhiko Matsuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium and method for recording infor...
- Patent number 5,018,123
- Issue date May 21, 1991
- Canon Kabushiki Kaisha
- Hideki Hosoya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical information recording-reproducing apparatus
- Patent number 5,010,534
- Issue date Apr 23, 1991
- Canon Kabushiki Kaisha
- Masahiko Enari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical information recording and reproducing apparatus
- Patent number 4,922,351
- Issue date May 1, 1990
- Canon Kabushiki Kaisha
- Kenichi Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for preventing recording errors due to a reduc...
- Patent number 4,912,697
- Issue date Mar 27, 1990
- Canon Kabushiki Kaisha
- Masahiko Enari
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Varifocal optical element
- Patent number 4,872,743
- Issue date Oct 10, 1989
- Canon Kabushiki Kaisha
- Takeshi Baba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Variable aberration imaging optical system
- Patent number 4,865,426
- Issue date Sep 12, 1989
- Canon Kabushiki Kaisha
- Kazuhiko Matsuoka
- G02 - OPTICS
Information Patent Grant
Light modulating device
- Patent number 4,848,879
- Issue date Jul 18, 1989
- Canon Kabushiki Kaisha
- Yukuo Nishimura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical information recording medium and apparatus for recording/re...
- Patent number 4,787,075
- Issue date Nov 22, 1988
- Canon Kabushiki Kaisha
- Hiroshi Matsuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Array lens
- Patent number 4,783,141
- Issue date Nov 8, 1988
- Canon Kabushiki Kaisha
- Takeshi Baba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical device with variably shaped optical surface and a method fo...
- Patent number 4,783,155
- Issue date Nov 8, 1988
- Canon Kabushiki Kaisha
- Hiroyuki Imataki
- G02 - OPTICS
Information Patent Grant
Optical device having positionally changeable optical surfaces and...
- Patent number 4,781,445
- Issue date Nov 1, 1988
- Canon Kabushiki Kaisha
- Takeshi Baba
- G02 - OPTICS
Information Patent Grant
Functional optical element having a non-flat planar interface with...
- Patent number 4,729,641
- Issue date Mar 8, 1988
- Canon Kabushiki Kaisha
- Kazuhiko Matsuoka
- G02 - OPTICS
Information Patent Grant
Method and element for optical modulation
- Patent number 4,714,326
- Issue date Dec 22, 1987
- Canon Kabushiki Kaisha
- Masayuki Usui
- G02 - OPTICS
Information Patent Grant
Variable focal length lens
- Patent number 4,712,882
- Issue date Dec 15, 1987
- Canon Kabushiki Kaisha
- Takeshi Baba
- G02 - OPTICS
Information Patent Grant
Optical element having the function of changing the cross-sectional...
- Patent number 4,641,920
- Issue date Feb 10, 1987
- Canon Kabushiki Kaisha
- Kazuhiko Matsuoka
- G02 - OPTICS

Masayuki Usui

Person

Patents Grantslast 30 patents

Optical information processing method and apparatus including measu...

Optical information processing apparatus in which the offset of a t...

Optical information processing apparatus including a correction cir...

Optical information processing apparatus for correcting linearity o...

Information recording method for reciprocally recording and verifyi...

Optical apparatus for effecting recording and/or reproducing of inf...

Information recording and reproducing apparatus including detection...

Optical information recording medium and method for recording infor...

Optical information recording-reproducing apparatus

Optical information recording and reproducing apparatus

Apparatus and method for preventing recording errors due to a reduc...

Varifocal optical element

Variable aberration imaging optical system

Light modulating device

Optical information recording medium and apparatus for recording/re...

Array lens

Optical device with variably shaped optical surface and a method fo...

Optical device having positionally changeable optical surfaces and...

Functional optical element having a non-flat planar interface with...

Method and element for optical modulation

Variable focal length lens

Optical element having the function of changing the cross-sectional...