Inventor

Yasuhito Koyama

Inventor
Tokyo, JP

Overview

8→
Patents
2012–2017
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds24%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds19%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
C08CTreatment or chemical modification of rubbers10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
A61KPreparations for medical, dental or toiletry purposes5%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
C07DHeterocyclic compounds5%
C08JWorking-up5%
C08LCompositions of macromolecular compounds5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2017Patents assigned to TOKYO INST TECH (6)· patent assignee history
2012–2015Patents assigned to KOYAMA YASUHITO (5)· patent assignee history
2012–2015Patents assigned to TAKATA TOSHIKAZU (5)· patent assignee history
2012–2017Based in Tokyo, JP· patent location history
2013Patents assigned to IMAI HIDEYUKI (3)· patent assignee history
2013Patents assigned to IWASE NAOKI (3)· patent assignee history
2014–2015Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO INST TECH62012–2017
KOYAMA YASUHITOself52012–2015
TAKATA TOSHIKAZU52012–2015
IMAI HIDEYUKI32013
IWASE NAOKI32013
Locations
LocationPatentsSpan
Tokyo, JP62012–2017
Yokohama, JP22014–2015