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Inventor

Masahiro Hamada

Inventor
Kanagawa, JP

Overview

24→
Patents
1978–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 24 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus15%
C07DHeterocyclic compounds13%
H01LSemiconductor devices9%
H10KOrganic electric solid-state devices9%
A01NPreservation of bodies of humans or animals or plants or parts thereof4%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles4%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines4%
H04NPictorial communication, e.g. television4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,825,995Material for photoelectric conversion element for an imaging element, and photoelectric conversion element including same202010,232,864Truck for railcar20199,859,508'Condensed polycyclic aromatic compound and use thereof'20189,583,925'Gasket for electrical junction box of railcar and electrical junction box of railcar'20179,564,604'Fused polycyclic aromatic compounds, organic semiconductor material and thin film including the same, and method for producing an organic semiconductor device'20179,416,242'Foamable composition'20169,260,451'Method for producing aromatic compound'20168,893,625'Rubber stopper'20148,511,910'Optical connector and method of assembling the same'20138,480,311'Optical connector, method of attaching the optical connector to coated optical fiber, and optical connection member'20138,434,948'Optical fiber connector and optical cable'20138,429,698'Digital broadcast transmission device and digital broadcast reception device'20138,292,514'Optical connecting member and method of fitting the same'20127,970,251'Outlet device'20117,341,381'Optical connector'20086,092,234'Method and device for determining thresholds of metric values used in Viterbi synchronization evaluation circuits'20005,777,867'Electric discharge method and apparatus'19985,708,805'Image retrieving apparatus using natural language'19985,586,246'Image synthesis apparatus'19965,546,598'Working situation management apparatus'19965,361,324'Lombard effect compensation using a frequency shift'19944,992,093'Azolylcyclopentanol derivatives and agricultural and horticultural composition containing the same as active ingredients'19914,863,505'Novel derivative of azole, and agricultural and horticultural composition containing the same as an active incredient'19894,106,988'Method of cultivating Methylomonas probus on methanol containing medium'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1991Based in Iwaki, JP· patent location history
1994–2000Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history
1996–2013Based in Osaka, JP· patent location history
2008–2013Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (6)· patent assignee history
2008–2013Based in Kanagawa, JP· patent location history
2012–2014Patents assigned to HAMADA MASAHIRO (6)· patent assignee history
2012–2013Patents assigned to OHTSUKA KENICHIRO (4)· patent assignee history
2016–2020Patents assigned to NIPPON KAYAKU KK (4)· patent assignee history
2016–2020Based in Tokyo, JP· patent location history
2017–2019Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAMADA MASAHIROself62012–2014
SUMITOMO ELECTRIC INDUSTRIES62008–2013
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51994–2000
NIPPON KAYAKU KK42016–2020
OHTSUKA KENICHIRO42012–2013
Locations
LocationPatentsSpan
Kanagawa, JP52008–2013
Tokyo, JP42016–2020
Osaka, JP31996–2013
Iwaki, JP31978–1991
Kobe, JP22017–2019