P

Inventor

ITO TATSUO

JP77 patents
⚠️ This page may combine multiple inventors who share the name “ITO TATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

10 patents
US5920418AJul 6, 1999

Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD164 citations99
US5949570ASep 7, 1999

Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD97 citations98
US6072620AJun 6, 2000

Output efficiency control device, projection-type display apparatus, infrared sensor, and non-contact thermometer

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations96
US6400671B2Jun 4, 2002

Optical head device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US7342867B2Mar 11, 2008

Optical head device, optical recording device, and optical recording method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US7193955B2Mar 20, 2007

Optical head device and optical information reproducing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US6643303B2Nov 4, 2003

Laser drive device, optical head, and optical information processor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US6278670B1Aug 21, 2001

Optical head apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US5416630AMay 16, 1995

Circular arc illumination apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US5390044AFeb 14, 1995

Circular arc illumination apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63

SHINETSU HANDOTAI KK

6 patents

FUJITSU TEN LTD

6 patents

YOSHIDA KOGYO KK

6 patents

RICOH KK

4 patents

TOYODA GOSEI KK

3 patents

MITSUBISHI ELECTRIC CORP

2 patents

MEIJI SEIKA KAISHA

2 patents

ITO TATSUO

2 patents

ASTELLAS PHARMA INC

1 patent

SANYO ELECTRIC CO

1 patent

ISHIDA SEISAKUSHO

1 patent

TOKYO SHIBAURA ELECTRIC CO

1 patent

TGK CO LTD

1 patent

HITACHI CHEMICAL CO LTD

1 patent

KAYABA INDUSTRY CO LTD

1 patent

RICOH CO LTD

1 patent

PANASONIC CORP

1 patent

Showing the top 50 of 77 patents by PatentIndex Score.