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Inventor

Kensaku Matsumoto

Inventor
Matsumoto, JP

Overview

11→
Patents
2018–2021
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them24%
H04NPictorial communication, e.g. television16%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact8%
G04CElectromechanical clocks or watches8%
H02NElectric machines not otherwise provided for8%
F03GSpring, weight, inertia or like motors4%
F04BPositive-displacement machines for liquids4%
G04GElectronic time-pieces4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
PatentTitleYear
11,128,380Signal light interruption detection device, optical amplifier, optical wavelength multiplex transmission device, and optical wavelength multiplex transmission system202110,848,722Projector202010,794,372Shoe for compressor202010,634,978Optical device and projector202010,616,538Projector202010,566,913Power generation device and portable electric device202010,462,436Projector201910,372,025Optical device and projector201910,361,642Electronic device201910,261,400Optical device and projector201910,104,347Optical device and projector2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2020Patents assigned to SEIKO EPSON CORP (6)· patent assignee history
2018–2020Based in Matsumoto, JP· patent location history
2019–2020Patents assigned to CITIZEN HOLDINGS CO LTD (2)· patent assignee history
2019–2020Patents assigned to CITIZEN WATCH CO LTD (2)· patent assignee history
2019–2021Based in Tokyo, JP· patent location history
2020Patents assigned to TAIHO KOGYO CO LTD (1)· patent assignee history
2020Based in Toyota, JP· patent location history
2020Based in Ota, JP· patent location history
2021Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP62018–2020
CITIZEN HOLDINGS CO LTD22019–2020
CITIZEN WATCH CO LTD22019–2020
MITSUBISHI ELECTRIC CORP12021
TAIHO KOGYO CO LTD12020
Locations
LocationPatentsSpan
Matsumoto, JP72018–2020
Tokyo, JP22019–2021
Toyota, JP12020
Ota, JP12020