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Inventor

Masahiro Okawa

Inventor
Kashiwa, JP

Overview

9→
Patents
2000–2021
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G06Fprimary
G06FElectric digital data processing31%
G02BOptical elements, systems or apparatus23%
A61BDiagnosis8%
G06KGraphical data reading8%
G06TImage data processing or generation, in general8%
G06VImage or video recognition or understanding8%
H04LTransmission of digital information, e.g. telegraphic communication8%
LOC138%
PatentTitleYear
11,120,297Segmentation of target areas in images202110,831,989Distributing updated communications to viewers of prior versions of the communications20209,864,777'Table partitioning and storage in a database'20189,215,974'Apparatus for optometric self-examination, management server and contact lens selection system'20158,301,607'Information management server, information processing system, communication method and program'2012D0599743'High-frequency coaxial connector'20096,556,749'Array waveguide grating and method of manufacture thereof'20036,549,696'Optical wavelength multiplexer/demultiplexer'20036,069,990'Optical wavelength multiplexer/demultiplexer'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2003Patents assigned to HITACHI CABLE (3)· patent assignee history
2003Based in Hitachi, JP· patent location history
2009Patents assigned to MASPRO DENKO KK (1)· patent assignee history
2009Based in Aichi, JP· patent location history
2012–2021Patents assigned to IBM (4)· patent assignee history
2012–2018Patents assigned to KAIJIMA SOH (2)· patent assignee history
2012–2018Patents assigned to OKAWA MASAHIRO (2)· patent assignee history
2012–2018Based in Kanagawa, JP· patent location history
2015Based in Kasugai, JP· patent location history
2020–2021Based in Kashiwa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM42012–2021
HITACHI CABLE32000–2003
KAIJIMA SOH22012–2018
OKAWA MASAHIROself22012–2018
MASPRO DENKO KK12009
Locations
LocationPatentsSpan
Kashiwa, JP22020–2021
Kanagawa, JP22012–2018
Hitachi, JP22003
Kasugai, JP12015
Aichi, JP12009