Inventor

Kazuo Kitagawa

Inventor

Kobe, JP

Overview

1979–2020

Patent span

Chemistry

Primary field (CPC C)

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

H03Gprimary

H03GControl of amplification8%

Y10TTechnical subjects covered by former us classification8%

C08BPolysaccharides6%

C08JWorking-up6%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

C08LCompositions of macromolecular compounds6%

B22FWorking metallic powder4%

B30BPresses in general4%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials4%

F27BFurnaces, kilns, ovens or retorts in general4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1979–1985Patents assigned to TOKYO SHIBAURA ELECTRIC CO (5)· patent assignee history

1979–1985Based in Kawasaki, JP· patent location history

1979Based in Hiroshima, JP· patent location history

1985–1992Patents assigned to KOBE STEEL LTD (5)· patent assignee history

1985–1992Based in Kobe, JP· patent location history

1986–1990Patents assigned to DORYOKURO KAKUNENRYO (2)· patent assignee history

2012Based in Hyogo, JP· patent location history

2015–2020Patents assigned to UNIV KYOTO (3)· patent assignee history

2015–2020Patents assigned to JUJO PAPER CO LTD (2)· patent assignee history

2015–2020Based in Kyoto, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations