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Koyanagi Toshifumi patents

Koyanagi Toshifumi is listed as an inventor on 18 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorKoyanagi Toshifumi
Total patents18
First publicationJun 10, 2021
Latest publicationJun 10, 2025

Notable patents

Publications ranked by popularity score, then publication date.

Recent patents

Latest publications not already listed above.

Major assignees

Companies most often associated with this inventor's publications.

Top assignees for this inventor
AssigneePatents
Toyo Kohan Co Ltd17
Toyota Motor Co Ltd3
Toyota Jidoshokki Kk1

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
Y02E60/1016
C25D3/1215
C25D5/60514
C25D5/3612
C25D5/1612