P

Inventor

SUGITA TATSUYA

JP58 patents
⚠️ This page may combine multiple inventors who share the name “SUGITA TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

17 patents
US6850357B2Feb 1, 2005

Electrophoretic display and manufacturing method

HITACHI LTD44 citations96
US8054288B2Nov 8, 2011

Electrophoresis display device

HITACHI LTD42 citations92
US5666598ASep 9, 1997

Image forming method and apparatus using energy beam impingement on image forming particles to move the same

HITACHI LTD24 citations92
US5475656ADec 12, 1995

Optical disk memory and information processing apparatus

HITACHI LTD25 citations92
US5371730ADec 6, 1994

Optical memory and information processing apparatus

HITACHI LTD23 citations92
US5317556AMay 31, 1994

Information processing apparatus and optical head incorporated therein

HITACHI LTD21 citations92
US5311494AMay 10, 1994

Optical disk apparatus and optical head

HITACHI LTD48 citations92
US5572502ANov 5, 1996

Optical disk apparatus

HITACHI LTD38 citations91
US7878670B2Feb 1, 2011

Illumination apparatus and liquid crystal display apparatus

HITACHI LTD9 citations83
US7580181B2Aug 25, 2009

Display

HITACHI LTD16 citations83
US6956691B2Oct 18, 2005

Electrophoretic display and manufacturing method

HITACHI LTD9 citations74
US5828431AOct 27, 1998

Reflective-type display device having a refractive index ratio between light scatterers and host between 1 and 1.8

HITACHI LTD12 citations74
US5668590ASep 16, 1997

Optical beam scanning system with rotating beam compensation

HITACHI LTD13 citations74
US5583840ADec 10, 1996

ROM type optical recording medium with a high reflectivity and an optical head operable on ROM, write-one and rewritable disk

HITACHI LTD14 citations73
US5274612ADec 28, 1993

Information processor and disk memory used in the same

HITACHI LTD13 citations73
US7133218B2Nov 7, 2006

Optical system

HITACHI LTD3 citations62
US6792167B2Sep 14, 2004

Optical switch

HITACHI LTD4 citations62

HITACHI DISPLAYS LTD

11 patents

MITSUBISHI ELECTRIC CORP

8 patents

SUGITA TATSUYA

5 patents

JAPAN DISPLAY INC

4 patents

HITACHI CABLE

2 patents

MIYAZAWA TOSHIO

1 patent

ITOU OSAMU

1 patent

SHIMIZU MASAO

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.