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Inventor

Yukio Michishita

Inventor
Tokyo, JP

Overview

19→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 19 as inventor

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

H04Bprimary
H04BTransmission17%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%
B41JTypewriters11%
H04JMultiplex communication8%
B08BCleaning in general6%
B23KSoldering or unsoldering6%
C21DModifying the physical structure of ferrous metals6%
B23PMetal-working not otherwise provided for3%
B24CAbrasive or related blasting with particulate material3%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
PatentTitleYear
11,090,962Cleaning device and image forming apparatus202111,072,187Inkjet recording apparatus202111,072,194Cleaning device and image forming apparatus provided with the cleaning device202110,960,685Image forming apparatus and method for controlling image forming apparatus202110,766,120Method and device for manufacturing compressor scrolls, compressor scroll, and scroll compressor20209,739,695'Water jet peening compressive residual stress test method, test device, and test facility'20177,496,296'Optical transmission path monitoring system, monitoring apparatus therefor and monitoring method therefor'20096,941,075'Wavelength division multiplexing optical transmission method and system'20056,496,302'Optical amplifier'20026,442,309'Optical amplifier'20026,417,487'Laser beam machining head'20026,294,754'Laser beam machining head'20016,271,960'Method and apparatus for wavelength conversion of signal light'20016,151,159'Optical amplifier for wavelength multiplex transmission'20006,144,487'Optical amplifying apparatus capable of detecting at least one of optical individual signals'20006,097,534'Optical amplifier system generating high optical output level'20006,064,514'Optical surge preventing method and system for use with or in a rare earth doped fiber circuit'20005,956,166'Wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method'19995,754,325'Optical regenerating circuit'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2009Patents assigned to NEC CORP (11)· patent assignee history
1998–2020Based in Tokyo, JP· patent location history
2001–2017Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
2001–2002Based in Takasago, JP· patent location history
2020Patents assigned to MITSUBISHI HEAVY IND AUTOMOTIVE THERMAL SYS CO LTD (1)· patent assignee history
2020Patents assigned to MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (1)· patent assignee history
2021Patents assigned to KYOCERA DOCUMENT SOLUTIONS INC (4)· patent assignee history
2021Based in Osaka, JP· patent location history
2021Based in Osaka-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP111998–2009
KYOCERA DOCUMENT SOLUTIONS INC42021
MITSUBISHI HEAVY IND LTD32001–2017
MITSUBISHI HEAVY IND AUTOMOTIVE THERMAL SYS CO LTD12020
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD12020
Locations
LocationPatentsSpan
Tokyo, JP131998–2020
Osaka, JP32021
Takasago, JP22001–2002
Osaka-shi, JP12021