Inventor

Kiyoshi Akiyama

Inventor
Komatsu, JP

Overview

15→
Patents
1993–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
C07CAcyclic or carbocyclic compounds17%
C07HSugars15%
Y02PClimate change mitigation technologies in the production or processing of goods9%
C07DHeterocyclic compounds7%
A61BDiagnosis4%
A61KPreparations for medical, dental or toiletry purposes4%
F16CShafts4%
H02KDynamo-electric machines4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1997Patents assigned to OHGEN RESEARCH LAB LTD (4)· patent assignee history
1993–2009Based in Komatsu, JP· patent location history
2006–2009Patents assigned to OHGEN RES LAB LTD (4)· patent assignee history
2007Patents assigned to NISSAN MOTOR (1)· patent assignee history
2007Based in Yokohama, JP· patent location history
2010–2016Patents assigned to RIGAKU DENKI CO LTD (6)· patent assignee history
2010–2015Based in Tokyo, JP· patent location history
2010–2011Based in Akishima, JP· patent location history
2015–2016Based in Tachikawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RIGAKU DENKI CO LTD62010–2016
OHGEN RES LAB LTD42006–2009
OHGEN RESEARCH LAB LTD41993–1997
NISSAN MOTOR12007
Locations
LocationPatentsSpan
Komatsu, JP81993–2009
Tachikawa, JP22015–2016
Tokyo, JP22010–2015
Akishima, JP22010–2011
Yokohama, JP12007