Inventor

Shigeki Hamamoto

Inventor

Himeji, JP

Overview

1997–2019

Patent span

Chemistry

Primary field (CPC C)

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

C08Lprimary

C08LCompositions of macromolecular compounds22%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds16%

C08BPolysaccharides14%

C08JWorking-up14%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%

A61KPreparations for medical, dental or toiletry purposes3%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

A61QSpecific use of cosmetics or similar toiletry preparations2%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1997–2018Patents assigned to SUMITOMO SEIKA CHEMICALS (18)· patent assignee history

1997–2018Based in Himeji, JP· patent location history

2013–2018Patents assigned to HAMAMOTO SHIGEKI (11)· patent assignee history

2013–2019Based in Ube, JP· patent location history

2015–2018Patents assigned to YAMASAKI TOMOAKI (9)· patent assignee history

2015–2018Patents assigned to OKAZAKI HIROKI (8)· patent assignee history

2015–2018Patents assigned to OKAZAKI SHINYA (8)· patent assignee history

2015–2016Based in Hyogo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations