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Inventor

Hajime Katayama

Inventor
Tokyo, JP

Overview

31→
Patents
1976–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 31 as inventor

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

G03Gprimary
G03GElectrography26%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles17%
B01FMixing, e.g. dissolving, emulsifying or dispersing7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C01BNon-metallic elements7%
Y10TTechnical subjects covered by former us classification7%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C08JWorking-up4%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties4%
A01GHorticulture2%
PatentTitleYear
9,718,333'Water discharge structure for sunroof device'20178,685,533'Fluororesin film'20148,603,412'Microchannel structure, and methods for producing emulsion and solid spherical particles'20138,282,991'Process for producing hydrophobized silicon oxide-coated metal oxide particles comprising primary and secondary hydrophobizing steps'20128,246,110'Deflector mechanism for sunroof apparatus'20128,240,751'Vehicle roof system'20128,240,752'Holding structure of guide pipe of sunroof apparatus'20128,231,170'Vehicle roof system'20128,191,962'Deflector of sliding roof system'20128,118,357'Frame structure of sunroof apparatus'20127,628,448'Drain structure of roof panel'20097,537,746'Process and apparatus for producing inorganic spheres'20097,442,356'Process for producing inorganic spheres'20087,360,826'Sheet member with frame body'20087,022,300'Process for producing inorganic spheres'20064,704,393'1-substituted 5-fluorouracil useful for inhibiting the aggregation of platelets'19874,521,099'Copying apparatus'19854,401,385'Image forming apparatus incorporating therein ozone filtering mechanism'1983RE030924'Cleaning apparatus for electrophotography'19824,261,660'Surface potentiometer for use in an electrostatic copier'19814,256,400'Copying machine provided with means for selectively setting original base line'19814,139,300'Copying apparatus with variable stop position'19794,106,870'Color electrophotographic method and apparatus'19784,095,879'Color copying apparatus'19784,089,600'Corona discharge device for electrophotographic copying machine'19784,032,137'Feed cassette device'19774,007,986'Copying apparatus'19773,999,852'Copying apparatus capable of both-side printing'19763,997,977'Developing liquid recovery device in a copying machine'19763,987,756'Developing device'19763,972,612'Duplex copying apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to CANON KK (14)· patent assignee history
1976–2014Based in Tokyo, JP· patent location history
1981–1983Based in Kawasaki, JP· patent location history
2006–2014Patents assigned to ASAHI GLASS CO LTD (6)· patent assignee history
2006–2009Based in Chiba, JP· patent location history
2008–2017Based in Tochigi, JP· patent location history
2009–2017Patents assigned to YACHIYO IND CO LTD (8)· patent assignee history
2009–2012Based in Sakura, JP· patent location history
2012–2014Patents assigned to KATAYAMA HAJIME (9)· patent assignee history
2012Patents assigned to MIHASHI AYUMI (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK141976–1985
KATAYAMA HAJIMEself92012–2014
YACHIYO IND CO LTD82009–2017
ASAHI GLASS CO LTD62006–2014
MIHASHI AYUMI52012
Locations
LocationPatentsSpan
Tokyo, JP141976–2014
Tochigi, JP62008–2017
Sakura, JP32009–2012
Kawasaki, JP31981–1983
Chiba, JP22006–2009