Takashi Ujihara

Person

Kawagoe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescence element and method of making thereof
- Patent number 5,929,561
- Issue date Jul 27, 1999
- Pioneer Electronic Corporation
- Shin Kawami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescence device
- Patent number 5,814,935
- Issue date Sep 29, 1998
- Pioneer Electronic Corp.
- Takashi Ujihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroluminescent display panel
- Patent number 5,304,895
- Issue date Apr 19, 1994
- Pioneer Electronic Corporation
- Takashi Ujihara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image sensor having specific detector structure
- Patent number 5,229,596
- Issue date Jul 20, 1993
- Tohoku Pioneer Electronic Corp.
- Takashi Ujihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical element carrying printed substrate and optical head device...
- Patent number 5,113,313
- Issue date May 12, 1992
- Pioneer Electronic Corporation
- Takashi Ujihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical element carrying printed substrate and optical head device...
- Patent number 4,978,844
- Issue date Dec 18, 1990
- Pioneer Electronic Corporation
- Takashi Ujihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and method of producing same
- Patent number 4,424,542
- Issue date Jan 3, 1984
- Pioneer Electronic Corporation
- Takashi Ujihara
- G11 - INFORMATION STORAGE

Takashi Ujihara

Person

Patents Grantslast 30 patents

Organic electroluminescence element and method of making thereof

Organic electroluminescence device

Electroluminescent display panel

Image sensor having specific detector structure

Optical element carrying printed substrate and optical head device...

Optical element carrying printed substrate and optical head device...

Magnetic head and method of producing same