LexDanaLexDanabeta
Inventor

Katsumi Senba

Inventor
Aichi, JP

Overview

4→
Patents
1993–1999
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer15%
H04NPictorial communication, e.g. television15%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C08JWorking-up8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08LCompositions of macromolecular compounds8%
F21VFunctional features or details of lighting devices or systems thereof8%
G02BOptical elements, systems or apparatus8%
G06FElectric digital data processing8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
5,945,210'Porous film and preparation process thereof'19995,710,856'Light reflective sheet and light reflector using it'19985,299,069'Magnetic tape format for recording digital picture data'19945,247,399'Digital video recording and playback apparatus using different read and write operations for each individual memory'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1993–1994Based in Nagaokakyo, JP· patent location history
1998Patents assigned to MITSUI TOATSU CHEMICALS (1)· patent assignee history
1998–1999Based in Aichi, JP· patent location history
1999Patents assigned to MITSUI CHEMICALS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP21993–1994
MITSUI CHEMICALS INC11999
MITSUI TOATSU CHEMICALS11998
Locations
LocationPatentsSpan
Aichi, JP21998–1999
Nagaokakyo, JP21993–1994