LexDanaLexDanabeta
Inventor

Hideyuki Hatakeyama

Inventor
Yokohama, JP

Overview

21→
Patents
1995–2021
Patent span
Physics
Primary field (CPC G)

Patents· 21 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification14%
G03GElectrography12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
G02BOptical elements, systems or apparatus10%
H04LTransmission of digital information, e.g. telegraphic communication5%
H04NPictorial communication, e.g. television5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C03CChemical composition of glasses, glazes or vitreous enamels3%
C22CAlloys3%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys3%
PatentTitleYear
11,037,594Aluminum-alloy substrate for magnetic disk, method for manufacturing same and magnetic disk employing said aluminum-alloy substrate for magnetic disk202110,767,247Aluminum alloy magnetic disk substrate and method for producing same202010,165,278Image compression device, image compression method, image extension device, and image extension method20188,959,342'Communication apparatus'20158,213,450'Communication apparatus'20128,200,973'Method and apparatus for encrypted authentication'20127,539,865'Data transfer device'20097,009,746'Polygon mirror and method of manufacturing the same, optical scanner and electrophotograph'20066,695,458'High-reflectance silver mirror and reflecting optical element'20046,665,120'Reflective optical element'20036,648,482'Polygon mirror and method of manufacturing the same, optical scanner and electrophotograph'20036,394,613'Anti-fogging and anti-reflection optical article'20026,287,683'Anti-fogging coating and optical part using the same'20016,078,780'Image heating device and image heating film'20005,968,623'Cylindrically shaped article, method of manufacturing same and film for image forming apparatus'19995,939,337'Toner fixation film and toner fixation apparatus using it'19995,863,660'Fixing member and fixing apparatus including same'19995,763,068'Fluororesin-coated member, production method therefor and heat fixing device using the coated member'19985,765,086'Heat fixing belt with conductive aluminum layer toner release layer and elastic layer disposed therebetween'19985,753,348'Fluororesin tube-covered fixing roller, and image formation apparatus'19985,471,288'Image heating apparatus and heating film'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2006Patents assigned to CANON KK (14)· patent assignee history
1995–2003Based in Yokohama, JP· patent location history
2003–2006Based in Kanagawa, JP· patent location history
2009–2018Patents assigned to ALPINE ELECTRONICS INC (5)· patent assignee history
2009–2018Based in Iwaki, JP· patent location history
2012–2015Patents assigned to HATAKEYAMA HIDEYUKI (3)· patent assignee history
2012Based in Fukushima, JP· patent location history
2020–2021Patents assigned to FURUKAWA ELECTRIC CO LTD (2)· patent assignee history
2020–2021Patents assigned to UACJ CORP (2)· patent assignee history
2020–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK141995–2006
ALPINE ELECTRONICS INC52009–2018
HATAKEYAMA HIDEYUKIself32012–2015
FURUKAWA ELECTRIC CO LTD22020–2021
UACJ CORP22020–2021
Locations
LocationPatentsSpan
Yokohama, JP91995–2003
Iwaki, JP32009–2018
Kanagawa, JP32003–2006
Tokyo, JP22020–2021
Fukushima, JP22012