Takashi Yoshizawa

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical head apparatus
- Patent number 6,222,804
- Issue date Apr 24, 2001
- Kabushiki Kaisha Toshiba
- Takashi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus
- Patent number 5,999,507
- Issue date Dec 7, 1999
- Kabushiki Kaisha Toshiba
- Takashi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head unit for use in an information read/write apparatus
- Patent number 5,898,653
- Issue date Apr 27, 1999
- Kabushiki Kaisha Toshiba
- Takashi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus
- Patent number 5,864,523
- Issue date Jan 26, 1999
- Kabushiki Kaisha Toshiba
- Takashi Yoshizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head
- Patent number 5,345,432
- Issue date Sep 6, 1994
- Kabushiki Kaisha Toshiba
- Akihiro Kasahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Viscoelastic substance and objective lens driving apparatus with th...
- Patent number 5,337,865
- Issue date Aug 16, 1994
- Kabushiki Kaisha Toshiba
- Akihiro Kasahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for optically recording and reproducing information from...
- Patent number 5,293,372
- Issue date Mar 8, 1994
- Kabushiki Kaisha Toshiba
- Isao Hoshino
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 5,218,524
- Issue date Jun 8, 1993
- Kabushiki Kaisha Toshiba
- Akihiro Kasahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Viscoelastic substance and objective lens driving apparatus with th...
- Patent number 5,206,762
- Issue date Apr 27, 1993
- Kabushiki Kaisha Toshiba
- Akihiro Kasahara
- G11 - INFORMATION STORAGE

Takashi Yoshizawa

Person

Patents Grantslast 30 patents

Optical head apparatus

Objective lens driving apparatus

Optical head unit for use in an information read/write apparatus

Objective lens driving apparatus

Optical head

Viscoelastic substance and objective lens driving apparatus with th...

Apparatus for optically recording and reproducing information from...

Optical disk apparatus

Viscoelastic substance and objective lens driving apparatus with th...