Takahiko Ishiwatari

Person

Nihonbashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tracking error signal detecting apparatus using an electron beam an...
- Patent number 5,270,990
- Issue date Dec 14, 1993
- Canon Kabushiki Kaisha
- Nobutoshi Mizasawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Luminescing member, process for preparation thereof, and electrolum...
- Patent number 4,931,692
- Issue date Jun 5, 1990
- Canon Kabushiki Kaisha
- Hiroshi Takagi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Photoelectron beam converting device and method of driving the same
- Patent number 4,906,894
- Issue date Mar 6, 1990
- Canon Kabushiki Kaisha
- Mamoru Miyawaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron beam information exchange apparatus with converting light...
- Patent number 4,906,833
- Issue date Mar 6, 1990
- Canon Kabushiki Kaisha
- Mamoru Miyawaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical recording medium
- Patent number 4,777,068
- Issue date Oct 11, 1988
- Canon Kabushiki Kaisha
- Hiroshi Omata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,734,334
- Issue date Mar 29, 1988
- Canon Kabushiki Kaisha
- Masaaki Matsushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium which includes a corrosion resistant film...
- Patent number 4,658,388
- Issue date Apr 14, 1987
- Canon Kabushiki Kaisha
- Takahiko Ishiwatari
- G11 - INFORMATION STORAGE

Takahiko Ishiwatari

Person

Patents Grantslast 30 patents

Tracking error signal detecting apparatus using an electron beam an...

Luminescing member, process for preparation thereof, and electrolum...

Photoelectron beam converting device and method of driving the same

Electron beam information exchange apparatus with converting light...

Optical recording medium

Magneto-optical recording medium

Optical recording medium which includes a corrosion resistant film...