Inventor

Kenji Oohashi

Inventor

Yawata, JP

Overview

4→

Patents

2002–2018

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds18%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices18%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

B05BSpraying apparatus9%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers9%

C07DHeterocyclic compounds9%

G01NInvestigating or analysing materials by determining their chemical or physical properties9%

H01JElectric discharge tubes or discharge lamps9%

PatentTitleYear

9,984,847Open-type X-ray tube comprising field emission type electron gun and X-ray inspection apparatus using the same2018 8,998,020'Double container, inner container, and outer container'2015 6,548,220'Chemical amplifying type positive resist composition and sulfonium salt'2003 6,348,297'Chemical amplification type positive resist'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history

2002–2003Based in Yawata, JP· patent location history

2015Patents assigned to MATSUMIYA YOSHIKAZU (1)· patent assignee history

2015Patents assigned to OOHASHI KENJI (1)· patent assignee history

2015Patents assigned to SATO TATSUO (1)· patent assignee history

2015Based in Kanagawa, JP· patent location history

2018Patents assigned to MARS TOHKEN SOLUTION CO LTD (1)· patent assignee history

2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	2	2002–2003
MARS TOHKEN SOLUTION CO LTD	1	2018
MATSUMIYA YOSHIKAZU	1	2015
OOHASHI KENJIself	1	2015
SATO TATSUO	1	2015

Locations

Location	Patents	Span
Yawata, JP	2	2002–2003
Tokyo, JP	1	2018
Kanagawa, JP	1	2015