Inventor

Yoshimichi Kiyozumi

Inventor
Tsukuba, JP

Overview

8→
Patents
1983–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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 chemistry22%
C01BNon-metallic elements17%
B01DSeparation11%
C07CAcyclic or carbocyclic compounds11%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C04BLime, magnesia6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
Y02PClimate change mitigation technologies in the production or processing of goods6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2000Patents assigned to AGENCY IND SCIENCE TECHN (4)· patent assignee history
1983–1986Based in Yatabe, JP· patent location history
1986Patents assigned to TODORIKI ITARU (1)· patent assignee history
1991–2000Based in Tsukuba, JP· patent location history
2000–2001Patents assigned to KUBOTO CORP (2)· patent assignee history
2001Based in Tsububa, JP· patent location history
2009–2011Patents assigned to DENSO CORP (2)· patent assignee history
2009–2011Based in Sendai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGENCY IND SCIENCE TECHN41983–2000
DENSO CORP22009–2011
KUBOTO CORP22000–2001
TODORIKI ITARU11986
Locations
LocationPatentsSpan
Tsukuba, JP31991–2000
Sendai, JP22009–2011
Yatabe, JP21983–1986
Tsububa, JP12001