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Inventor

Keiichiro Hayashi

Inventor
Chiba, JP

Overview

20→
Patents
1984–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 20 as inventor

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

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
H01LSemiconductor devices8%
B30BPresses in general6%
F16HGearing6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
Y10TTechnical subjects covered by former us classification6%
B21BRolling of metal4%
B22DCasting of metals4%
C07DHeterocyclic compounds4%
PatentTitleYear
11,035,018Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate202111,035,017Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate202111,022,870Fluorescent light source device20219,362,195'Semiconductor device'20169,240,498'Optical semiconductor device'20169,029,968'Optical sensor device'20158,946,664'Optical sensor device having wiring pattern within cavity housing optical sensor element'20158,933,386'Optical sensor device and method of manufacturing the same'20158,134,173'Lighting device having light emitting element mounted in glass substrate'20127,303,943'Method of manufacturing electric device'20076,902,687'OPTICALLY ACTIVE ISOSORBIDE DERIVATIVE AND OPTICALLY ACTIVE ISOMANNIDE DERIVATIVE, PRODUCTION METHODS THEREOF, PHOTO-REACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM AND RECORDING MEDIUM, METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTAL AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTAL'20056,846,540'OPTICALLY ACTIVE POLYESTERAMIDES, PHOTOREACTIVE CHIRAL AGENTS, LIQUID CRYSTAL COMPOSITIONS, LIQUID CRYSTAL COLOR FILTERS, OPTICAL FILMS AND RECORDING MEDIA, AS WELL AS METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTALS, AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTALS'20056,610,216'OPTICALLY ACTIVE COMPOUND, PHOTOREACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTAL, METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTAL, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, AND RECORDING MEDIUM'20036,589,445'LIGHT-REACTION TYPE OPTICALLY ACTIVE COMPOUND, LIGHT-REACTION TYPE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, RECORDING MEDIUM, AND METHOD OF CHANGING TWIST STRUCTURE OF LIQUID CRYSTAL'20035,616,829'Abnormality detection/suppression system for a valve apparatus'19975,468,194'Power transmission for mechanical press'19955,453,060'Power transmission for mechanical press'19955,425,682'Power transmission for mechanical press'19954,625,873'Garment rack'19864,467,917'Carrier tube for prints, sheets or artistic canvases'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2015Patents assigned to HAYASHI KEIICHIRO (4)· patent assignee history
1984–1986Based in Westfield, NJ, US· patent location history
1995Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (3)· patent assignee history
1995Based in Kamakura, JP· patent location history
2003–2005Patents assigned to FUJI PHOTO FILM CO LTD (4)· patent assignee history
2003–2005Based in Shizuoka, JP· patent location history
2007–2016Patents assigned to SEIKO INSTR INC (7)· patent assignee history
2007–2016Based in Chiba, JP· patent location history
2012–2015Patents assigned to FUJITA HIROYUKI (2)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO INSTR INC72007–2016
FUJI PHOTO FILM CO LTD42003–2005
HAYASHI KEIICHIROself41984–2015
ISHIKAWAJIMA HARIMA HEAVY IND31995
FUJITA HIROYUKI22012–2015
Locations
LocationPatentsSpan
Chiba, JP72007–2016
Shizuoka, JP42003–2005
Tokyo, JP32021
Kamakura, JP31995
Westfield, New Jersey, US21984–1986