Inventor

Tatsuya Nagayoshi

Inventor
Fukuoka, JP

Overview

3→
Patents
2000–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Dprimary
C07DHeterocyclic compounds18%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments18%
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
H05BElectric heating18%
G02BOptical elements, systems or apparatus9%
H02KDynamo-electric machines9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2002Patents assigned to MITSUI CHEMICALS INC (2)· patent assignee history
2000–2002Based in Fukuoka, JP· patent location history
2012Patents assigned to NAGAYOSHI TATSUYA (1)· patent assignee history
2012Patents assigned to NIDEC SANKYO CORP (1)· patent assignee history
2012Patents assigned to TAKEI HIROMITSU (1)· patent assignee history
2012Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI CHEMICALS INC22000–2002
NAGAYOSHI TATSUYAself12012
NIDEC SANKYO CORP12012
TAKEI HIROMITSU12012
Locations
LocationPatentsSpan
Fukuoka, JP22000–2002
Nagano, JP12012