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Inventor

Katsumi Okada

Inventor
Osaka, JP

Overview

8→
Patents
1991–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

A47Jprimary
A47JKitchen equipment17%
B21BRolling of metal17%
G03GElectrography17%
G07FCoin-freed or like apparatus17%
A01NPreservation of bodies of humans or animals or plants or parts thereof8%
B01DSeparation8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C07DHeterocyclic compounds8%
PatentTitleYear
10,618,882Pyridine-2-yl pyridinium compound and method of using same20207,521,133'Titanium oxide photocatalyst, process for producing the same and application'20097,437,089'Image forming device having an alternating current frequency regulating apparatus'20087,116,933'Developing unit, image forming apparatus, and developing method'20065,634,360'Guiding apparatus for roughing mill'19975,613,390'Corner reduction device equipped with corner rolls, control device thereof, and method of rolling by using these devices'19975,168,795'Automatic food frying and vending system'19925,029,520'Automatic food frying and vending system'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to DAIKURE KK (1)· patent assignee history
1991–1992Based in Tokyo, JP· patent location history
1992Patents assigned to HIGASHI HIROSHIMA GOLF SHINKO (1)· patent assignee history
1997Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (1)· patent assignee history
1997Patents assigned to KAWASAKI STEEL CO (1)· patent assignee history
1997Based in Fujisawa, JP· patent location history
2006–2008Patents assigned to KYOCERA MITA CORP (2)· patent assignee history
2006–2008Based in Osaka, JP· patent location history
2009Based in Nara, JP· patent location history
2020Based in Joetsu-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYOCERA MITA CORP22006–2008
DAIKURE KK11991
HIGASHI HIROSHIMA GOLF SHINKO11992
ISHIKAWAJIMA HARIMA HEAVY IND11997
KAWASAKI STEEL CO11997
Locations
LocationPatentsSpan
Osaka, JP22006–2008
Fujisawa, JP21997
Tokyo, JP21991–1992
Joetsu-shi, JP12020
Nara, JP12009