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Inventor

Hirokatsu Maeda

Inventor
Osaka, JP

Overview

3→
Patents
1993–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Kprimary
F16KValves67%
LOC0833%
PatentTitleYear
D0885859Wrench20209,022,353'Ball valve'20155,186,434'Fluid flow controller'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to KYOHARA MASAKO (1)· patent assignee history
1993–2020Based in Osaka, JP· patent location history
2015–2020Patents assigned to FUJIKIN KK (2)· patent assignee history
2015Patents assigned to DAIDO KUNIHIKO (1)· patent assignee history
2015Patents assigned to MAEDA HIROKATSU (1)· patent assignee history
2015Patents assigned to MATSUOKA MASASHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIKIN KK22015–2020
DAIDO KUNIHIKO12015
KYOHARA MASAKO11993
MAEDA HIROKATSUself12015
MATSUOKA MASASHI12015
Locations
LocationPatentsSpan
Osaka, JP31993–2020