Inventor

Masaaki Yoshimura

Inventor

Tokyo, JP

Overview

1981–2010

Patent span

Mechanical engineering

Primary field (CPC F)

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

LOCD2primary

LOCD229%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%

F02BInternal-combustion piston engines14%

A61KPreparations for medical, dental or toiletry purposes7%

B63HMarine propulsion or steering7%

C07KPeptides7%

D04BKnitting7%

D21HPulp compositions7%

Y02TClimate change mitigation technologies related to transportation7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to TOMY KOGYO CO (5)· patent assignee history

1981–1984Based in Tokyo, JP· patent location history

1987Patents assigned to DIC HERCULES CHEMICALS INC (1)· patent assignee history

1987Based in Chiba, JP· patent location history

1992Patents assigned to KAO CORP (1)· patent assignee history

1992Based in Tochigi, JP· patent location history

1998Patents assigned to SUZUKI CO LTD (2)· patent assignee history

1998Based in Shizuoka, JP· patent location history

2010Patents assigned to SHIMA SEIKI MFG (1)· patent assignee history

2010Based in Wakayama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations