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Inventor

Takayoshi Semasa

Inventor
Kamakura, JP

Overview

11→
Patents
1980–2005
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary
H04NPictorial communication, e.g. television65%
G06TImage data processing or generation, in general18%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
H03MCoding6%
H04MTelephonic communication6%
PatentTitleYear
6,898,322'Coding method, coding apparatus, decoding method and decoding apparatus using subsampling'20056,337,724'Image display system'20025,418,626'Image processing device for resolution conversion'19955,361,142'Image processing apparatus and method for multi-level image signal'19945,313,204'Encoding and decoding devices with predictor and detector'19945,291,309'Image processing apparatus and method for multi-level image signal'19945,063,587'Transmission system for still-picture TV telephone'19914,996,602'Image-processing apparatus'19914,926,245'Quadrature amplitude modulation preserving one channel zero crossing for video telephone'19904,213,154'Facsimile communication system'19804,191,974'Facsimile encoding communication system'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2005Patents assigned to MITSUBISHI ELECTRIC CORP (10)· patent assignee history
1980Based in Amagasaki, JP· patent location history
1990Patents assigned to LUMA TELECOM INC (1)· patent assignee history
1990Based in Kanagawa, JP· patent location history
1991–1995Based in Kamakura, JP· patent location history
1994Based in Kamukura, JP· patent location history
2002–2005Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP101980–2005
LUMA TELECOM INC11990
Locations
LocationPatentsSpan
Kamakura, JP51991–1995
Tokyo, JP22002–2005
Amagasaki, JP21980
Kamukura, JP11994
Kanagawa, JP11990