Inventor

Kenji Kitaoka

Inventor
Tokyo, JP

Overview

10→
Patents
1999–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels19%
C04BLime, magnesia12%
G02BOptical elements, systems or apparatus12%
C23CCoating metallic material8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
B01DSeparation4%
B05DProcesses for applying fluent materials to surfaces, in general4%
C03BManufacture, shaping, or supplementary processes4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2002Patents assigned to MINOLTA CO LTD (3)· patent assignee history
1999–2000Based in Kawanishi, JP· patent location history
2002Based in Kawanichi, JP· patent location history
2006Patents assigned to TOSOH CORP (1)· patent assignee history
2006Based in Ebina, JP· patent location history
2012–2018Patents assigned to ASAHI GLASS CO LTD (4)· patent assignee history
2012–2013Patents assigned to KITAOKA KENJI (2)· patent assignee history
2012–2018Based in Tokyo, JP· patent location history
2019Patents assigned to AGC INC (2)· patent assignee history
2019Based in Chiyoda-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI GLASS CO LTD42012–2018
MINOLTA CO LTD31999–2002
AGC INC22019
KITAOKA KENJIself22012–2013
TOSOH CORP12006
Locations
LocationPatentsSpan
Tokyo, JP42012–2018
Chiyoda-ku, JP22019
Kawanishi, JP21999–2000
Ebina, JP12006
Kawanichi, JP12002