P

Inventor

TAKIZAWA MASAAKI

JP69 patents
⚠️ This page may combine multiple inventors who share the name “TAKIZAWA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

22 patents
US5477546ADec 19, 1995

Teleconference terminal equipment and teleconference module

HITACHI LTD160 citations99
US5365265ANov 15, 1994

Multipoint teleconference system employing communication channels set in ring configuration

HITACHI LTD153 citations98
US5790178AAug 4, 1998

Picture codec for teleconference equipment, which forms and displays picture-in-frame including at least two of received motion picture, a received still picture and a self motion picture in an optional combination

HITACHI LTD36 citations96
US5689300ANov 18, 1997

Picture codec and teleconference terminal equipment

HITACHI LTD45 citations96
US5604738AFeb 18, 1997

Multipoint teleconference system employing H. 221 frames

HITACHI LTD54 citations96
US5402418AMar 28, 1995

Multipoint teleconference system employing H. 221 frames

HITACHI LTD66 citations96
US5371535ADec 6, 1994

Multiplexing transmission apparatus for image signal and multiplexing system

HITACHI LTD76 citations96
US5325215AJun 28, 1994

Matrix multiplier and picture transforming coder using the same

HITACHI LTD60 citations96
US4939583AJul 3, 1990

Entropy-coding system

HITACHI LTD77 citations96
US5396269AMar 7, 1995

Television telephone

HITACHI LTD66 citations95
US6181824B1Jan 30, 2001

Code string editing apparatus, picture coded signal decoding apparatus and moving picture coded signal decoding apparatus

HITACHI LTD18 citations93
US5936945AAug 10, 1999

Teleconference module with video codec for motion picture data

HITACHI LTD31 citations92
US5777663AJul 7, 1998

Picture codec and teleconference terminal equipment

HITACHI LTD25 citations92
US5606554AFeb 25, 1997

Teleconference terminal equipment and teleconference module

HITACHI LTD22 citations92
US5966164AOct 12, 1999

Television telephone

HITACHI LTD25 citations91
US5677727AOct 14, 1997

Television telephone

HITACHI LTD34 citations91
US6496522B1Dec 17, 2002

ATM communication terminal and ATM communication system

HITACHI LTD23 citations90
US5028995AJul 2, 1991

Picture signal processor, picture signal coder and picture signal interpolator

HITACHI LTD41 citations89
US8040898B2Oct 18, 2011

Wireless terminal, access point, system provided with the same, and wireless communication method

HITACHI LTD7 citations84
US5970054AOct 19, 1999

Multipoint teleconference system employing H. 221 frames

HITACHI LTD14 citations82
US6285391B1Sep 4, 2001

Picture codec and teleconference terminal equipment

HITACHI LTD7 citations74
US6249309B1Jun 19, 2001

Picture codec and teleconference terminal equipment

HITACHI LTD6 citations74

TOYOTA MOTOR CO LTD

9 patents

SONY SEMICONDUCTOR SOLUTIONS CORP

5 patents

NIPPON SOKEN

3 patents

SONY CORP

3 patents

TOKYO ELECTRON LTD

2 patents

NIPPON DENSO CO

2 patents

TOKAI RUBBER IND LTD

1 patent

CYBERNETICS TECHNOLOGY CO LTD

1 patent

TOYODA GOSEI KK

1 patent

AKIYAMA KENTARO

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.