Inventor

Yoichi Umehara

Inventor

Yokohama, JP

Overview

2003–2018

Patent span

Performing operations

Primary field (CPC B)

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry36%

C07CAcyclic or carbocyclic compounds29%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%

B01DSeparation7%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2003–2018Based in Yokohama, JP· patent location history

2011–2018Patents assigned to CHIYODA CORP (6)· patent assignee history

2014–2018Patents assigned to HASHIMOTO CHIKAKO (2)· patent assignee history

2014–2018Patents assigned to MINAMI TAKESHI (2)· patent assignee history

2014–2018Patents assigned to UMEHARA YOICHI (2)· patent assignee history

2014–2018Patents assigned to YOU ZHIXIONG (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Yokohama, JP	7	2003–2018