Inventor

Masakazu Kaneoya

Inventor
Kita-adachi-gun, JP

Overview

22→
Patents
1989–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 22 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere36%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein28%
C07CAcyclic or carbocyclic compounds8%
C07DHeterocyclic compounds8%
G02BOptical elements, systems or apparatus8%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%
Y10TTechnical subjects covered by former us classification2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1993Patents assigned to CHISSO CORP (7)· patent assignee history
1989–1990Based in Kawasaki, JP· patent location history
1990–1993Based in Ichihara, JP· patent location history
1990Based in Chiba, JP· patent location history
1990Based in Kanagawa, JP· patent location history
2014–2020Patents assigned to DAINIPPON INK & CHEMICALS (15)· patent assignee history
2014–2016Patents assigned to KANEOYA MASAKAZU (5)· patent assignee history
2014–2016Patents assigned to TAKEUCHI KIYOFUMI (5)· patent assignee history
2014–2015Patents assigned to KUSUMOTO TETSUO (2)· patent assignee history
2014–2020Based in Kita-adachi-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON INK & CHEMICALS152014–2020
CHISSO CORP71989–1993
KANEOYA MASAKAZUself52014–2016
TAKEUCHI KIYOFUMI52014–2016
KUSUMOTO TETSUO22014–2015
Locations
LocationPatentsSpan
Kita-adachi-gun, JP152014–2020
Ichihara, JP31990–1993
Kawasaki, JP21989–1990
Chiba, JP11990
Kanagawa, JP11990