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Inventor

Shigeki Yamamoto

Inventor
Ibaraki, JP

Overview

22→
Patents
1988–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 22 as inventor

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

H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
G02BOptical elements, systems or apparatus6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
B05DProcesses for applying fluent materials to surfaces, in general4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
B62JCycle saddles or seats4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
PatentTitleYear
D0875835Game controller202010,450,468Surface treatment composition for coated steel sheet, surface treated plated steel sheet and method of production of same, and coated plated steel sheet and method of production of same201910,220,912Motorcycle201910,066,536Vehicle exhaust device201810,054,087Saddle vehicle20189,284,657'Replenisher and method for producing surface-treated steel sheet'20169,281,757'Voltage conversion device and electrical load driving device'20169,175,403'Composition for adhesion layer used for multi-layered surface-treatment steel sheet'20159,088,202'Voltage conversion apparatus and electrical load driving apparatus to reduce noise through magnetic field'20158,994,342'Switching apparatus'20158,829,870'Voltage conversion apparatus and electrical load driving apparatus'20148,126,379'Developing device and image forming apparatus'20128,002,344'Temperature adjustable seat'20117,623,757'Remote control device for recording/reproducing apparatus and video signal recording/reproducing apparatus'20097,292,769'Recording and reproducing apparatus and method'20075,876,895'Photosensitive resin composition for color filter'19995,846,688'Photoresist composition'19985,731,110'Photoresist composition for use in color filters'19985,686,585'Azo dyes for use in color filters and method for production of color filters'19975,614,594'Curable resin composition for overcoat film of color filter and color filter'19975,478,680'Color filter'19954,779,228'Sequential-access memory'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1999Patents assigned to SUMITOMO CHEMICAL CO (6)· patent assignee history
1995–1999Based in Ibaraki, JP· patent location history
2011–2016Patents assigned to VISTEON GLOBAL TECH INC (5)· patent assignee history
2011–2020Based in Yokohama, JP· patent location history
2012–2020Patents assigned to YAMAMOTO SHIGEKI (8)· patent assignee history
2014–2016Patents assigned to MIZUTANI KOICHI (4)· patent assignee history
2014–2016Patents assigned to NAITO TAKAYUKI (4)· patent assignee history
2014–2016Based in Hiroshima, JP· patent location history
2015–2019Based in Tokyo, JP· patent location history
2018–2019Based in Akashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMAMOTO SHIGEKIself82012–2020
SUMITOMO CHEMICAL CO61995–1999
VISTEON GLOBAL TECH INC52011–2016
MIZUTANI KOICHI42014–2016
NAITO TAKAYUKI42014–2016
Locations
LocationPatentsSpan
Ibaraki, JP51995–1999
Hiroshima, JP42014–2016
Tokyo, JP32015–2019
Akashi, JP32018–2019
Yokohama, JP22011–2020