Ikuo Katoh

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical control device
- Patent number 7,369,734
- Issue date May 6, 2008
- Ricoh Company, Ltd.
- Atsushi Sakai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light deflection element, light deflection device and image display...
- Patent number 7,345,733
- Issue date Mar 18, 2008
- Ricoh Comapny, Ltd.
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display apparatus
- Patent number 7,322,700
- Issue date Jan 29, 2008
- Ricoh Company, Ltd.
- Kazuya Miyagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical delay element
- Patent number 7,242,839
- Issue date Jul 10, 2007
- Ricoh Company, Ltd.
- Atsushi Sakai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light control element and light control device
- Patent number 7,215,842
- Issue date May 8, 2007
- Ricoh Company, Ltd.
- Atsushi Sakai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical control device
- Patent number 7,215,861
- Issue date May 8, 2007
- Ricoh Company, Ltd.
- Atsushi Sakai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Image display apparatus
- Patent number 7,125,121
- Issue date Oct 24, 2006
- Ricoh Company, Ltd.
- Kazuya Miyagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light deflection element, light deflection device and image display...
- Patent number 7,057,700
- Issue date Jun 6, 2006
- Ricoh Company, Ltd.
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Opto-electric device
- Patent number 5,719,981
- Issue date Feb 17, 1998
- Ricoh Company, Ltd.
- Ikuo Katoh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISCHARGING DEVICE AND DISCHARGING METHOD
- Publication number 20190283444
- Publication date Sep 19, 2019
- Shusaku SHIOMOTO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PARTICLE COUNTING APPARATUS, PARTICLE COUNTING METHOD, AND PARTICLE...
- Publication number 20190025185
- Publication date Jan 24, 2019
- Ikuo KATOH
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL CONTROL DEVICE
- Publication number 20070160336
- Publication date Jul 12, 2007
- Atsushi Sakai
- G02 - OPTICS
Information Patent Application
Image display apparatus
- Publication number 20070008495
- Publication date Jan 11, 2007
- Kazuya Miyagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light deflection element, light deflection device and image display...
- Publication number 20060181671
- Publication date Aug 17, 2006
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical control device
- Publication number 20060110116
- Publication date May 25, 2006
- Atsushi Sakai
- G02 - OPTICS
Information Patent Application
Optical delay element
- Publication number 20060083472
- Publication date Apr 20, 2006
- Atsushi Sakai
- G02 - OPTICS
Information Patent Application
Light control element and light control device
- Publication number 20050002605
- Publication date Jan 6, 2005
- Atsushi Sakai
- G02 - OPTICS
Information Patent Application
Image display apparatus
- Publication number 20030222980
- Publication date Dec 4, 2003
- Kazuya Miyagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light deflection element, light deflection device and image display...
- Publication number 20030098945
- Publication date May 29, 2003
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light deflection element, light deflection device and image display...
- Publication number 20020135729
- Publication date Sep 26, 2002
- Toshiaki Tokita
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Optical control device

Light deflection element, light deflection device and image display...

Image display apparatus

Optical delay element

Light control element and light control device

Optical control device

Image display apparatus

Light deflection element, light deflection device and image display...

Opto-electric device

Patents Applicationslast 30 patents

DISCHARGING DEVICE AND DISCHARGING METHOD

PARTICLE COUNTING APPARATUS, PARTICLE COUNTING METHOD, AND PARTICLE...

OPTICAL CONTROL DEVICE

Image display apparatus

Light deflection element, light deflection device and image display...

Optical control device

Optical delay element

Light control element and light control device

Image display apparatus

Light deflection element, light deflection device and image display...

Light deflection element, light deflection device and image display...