Inventor

Katsuhiko Hata

Inventor

Kobe, JP

Overview

1987–2018

Patent span

Chemistry

Primary field (CPC C)

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

C08Jprimary

C08JWorking-up13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Y10TTechnical subjects covered by former us classification13%

H01JElectric discharge tubes or discharge lamps9%

B22DCasting of metals4%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C08LCompositions of macromolecular compounds4%

C21DModifying the physical structure of ferrous metals4%

C22CAlloys4%

C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to SONY CORP (2)· patent assignee history

1987Based in Aichi, JP· patent location history

1994–2004Patents assigned to BANDO CHEMICAL IND (4)· patent assignee history

1994–2004Based in Kobe, JP· patent location history

2004Patents assigned to KAO CORP (1)· patent assignee history

2016–2017Patents assigned to RENESAS ELECTRONICS CORP (2)· patent assignee history

2016Based in Kawasaki, JP· patent location history

2017Based in Tokyo, JP· patent location history

2018Patents assigned to MITSUBISHI SHINDO KK (1)· patent assignee history

2018Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations