Takao Rokutan

Person

Higashimurayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for recording and reproducing optical information on and...
- Patent number 6,034,933
- Issue date Mar 7, 2000
- Olympus Optical Company, Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing apparatus using three count control s...
- Patent number 5,774,433
- Issue date Jun 30, 1998
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing apparatus capable of multi-track acce...
- Patent number 5,583,836
- Issue date Dec 10, 1996
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording and reproducing apparatus in which re...
- Patent number 5,568,458
- Issue date Oct 22, 1996
- Olympus Optical Co., Ltd.
- Naoaki Tani
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing apparatus capable of multi-track acce...
- Patent number 5,511,051
- Issue date Apr 23, 1996
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing device which simultaneous...
- Patent number 5,438,563
- Issue date Aug 1, 1995
- Olympus Optical Co., Ltd.
- Mitsuo Oshiba
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus having photo de...
- Patent number 5,425,010
- Issue date Jun 13, 1995
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for reproducing information data from optical...
- Patent number 5,402,399
- Issue date Mar 28, 1995
- Olympus Optical Co., Ltd.
- Mitsuo Oshiba
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing device capable of recordi...
- Patent number 5,400,308
- Issue date Mar 21, 1995
- Olympus Optical Co., Ltd.
- Takumi Sugaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/regenerating apparatus and track scan...
- Patent number 5,398,225
- Issue date Mar 14, 1995
- Olympus Optical Co., Ltd.
- Takumi Sugaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus for performing...
- Patent number 5,394,385
- Issue date Feb 28, 1995
- Olympus Optical Co., Ltd.
- Takefumi Sakurada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing apparatus for reproducing information...
- Patent number 5,392,268
- Issue date Feb 21, 1995
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical card apparatus in which retrial of locating operation of op...
- Patent number 5,298,730
- Issue date Mar 29, 1994
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Track control circuit for optical card recording/reproducing apparatus
- Patent number 5,293,365
- Issue date Mar 8, 1994
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of accessing a card shaped recording medium
- Patent number 5,274,615
- Issue date Dec 28, 1993
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording reproducing apparatus for recording a...
- Patent number 5,257,249
- Issue date Oct 26, 1993
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus with tracking o...
- Patent number 5,228,018
- Issue date Jul 13, 1993
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing apparatus having means for periodical...
- Patent number 5,184,337
- Issue date Feb 2, 1993
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Data reading and/or writing apparatus of type using optical card
- Patent number 5,179,267
- Issue date Jan 12, 1993
- Olympus Optical Co., Ltd.
- Akihiko Hashimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical card recording/reproducing apparatus
- Patent number 5,157,644
- Issue date Oct 20, 1992
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing apparatus
- Patent number 5,115,421
- Issue date May 19, 1992
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical record medium including a data region, an identification re...
- Patent number 5,091,635
- Issue date Feb 25, 1992
- Olympus Optical Co., Ltd.
- Yuichiro Akatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of reciprocally recording data on card-like record medium fo...
- Patent number 4,962,301
- Issue date Oct 9, 1990
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical card for data storage for use in a data recording and retri...
- Patent number 4,924,199
- Issue date May 8, 1990
- Olympus Optical Co., Ltd.
- Akihiko Hashimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data reading and/or writing apparatus for use with an optical card
- Patent number 4,918,415
- Issue date Apr 17, 1990
- Olympus Optical Co., Ltd.
- Akihiko Hashimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of writing data on optical card by projecting thereon intens...
- Patent number 4,894,817
- Issue date Jan 16, 1990
- Olympus Optical Co., Ltd.
- Hisakatsu Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronic marking apparatus for identifying a selected image from...
- Patent number 4,802,018
- Issue date Jan 31, 1989
- Olympus Optical Co., Ltd.
- Kowji Tanikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for reproducing data recorded on optical card
- Patent number 4,797,872
- Issue date Jan 10, 1989
- Olympus Optical Co., Ltd.
- Takao Rokutan
- G11 - INFORMATION STORAGE
Information Patent Grant
Modified Miller data demodulator
- Patent number 4,612,508
- Issue date Sep 16, 1986
- Olympus Optical Co., Ltd.
- Takao Rokutan
- H03 - BASIC ELECTRONIC CIRCUITRY

Takao Rokutan

Person

Patents Grantslast 30 patents

Apparatus for recording and reproducing optical information on and...

Optical recording/reproducing apparatus using three count control s...

Optical recording/reproducing apparatus capable of multi-track acce...

Optical information recording and reproducing apparatus in which re...

Optical recording/reproducing apparatus capable of multi-track acce...

Optical information recording/reproducing device which simultaneous...

Optical information recording/reproducing apparatus having photo de...

Apparatus and method for reproducing information data from optical...

Optical information recording/reproducing device capable of recordi...

Optical information recording/regenerating apparatus and track scan...

Optical information recording/reproducing apparatus for performing...

Optical recording/reproducing apparatus for reproducing information...

Optical card apparatus in which retrial of locating operation of op...

Track control circuit for optical card recording/reproducing apparatus

Method of accessing a card shaped recording medium

Optical information recording reproducing apparatus for recording a...

Optical information recording/reproducing apparatus with tracking o...

Optical recording/reproducing apparatus having means for periodical...

Data reading and/or writing apparatus of type using optical card

Optical card recording/reproducing apparatus

Optical recording/reproducing apparatus

Optical record medium including a data region, an identification re...

Method of reciprocally recording data on card-like record medium fo...

Optical card for data storage for use in a data recording and retri...

Data reading and/or writing apparatus for use with an optical card

Method of writing data on optical card by projecting thereon intens...

Electronic marking apparatus for identifying a selected image from...

Method for reproducing data recorded on optical card

Modified Miller data demodulator