Inventor

Tomohiro Yamaguchi

Inventor
Chiba-shi, JP

Overview

4→
Patents
1976–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds20%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
C08JWorking-up10%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture10%
G10LSpeech analysis techniques or speech synthesis10%
H04NPictorial communication, e.g. television10%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to TOYO JOZO KK (1)· patent assignee history
1976Based in Tagata-gun, JP· patent location history
2021Patents assigned to MITSUI CHEMICALS INC (2)· patent assignee history
2021Patents assigned to KONICA MINOLTA INC (1)· patent assignee history
2021Based in Chiba-shi, JP· patent location history
2021Based in Shinshiro, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI CHEMICALS INC22021
KONICA MINOLTA INC12021
TOYO JOZO KK11976
Locations
LocationPatentsSpan
Chiba-shi, JP22021
Shinshiro, JP12021
Tagata-gun, JP11976