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Inventor

Seiji Hashiguchi

Inventor
Ichinomiya, JP

Overview

3→
Patents
1991–2019
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
F16KValves29%
G05DSystems for controlling or regulating non-electric variables29%
F16JPistons14%
H05KPrinted circuits14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
PatentTitleYear
10,260,656Vacuum valve and vacuum pressure control system using the same201910,167,958Vacuum pressure control apparatus20195,047,714'Printed circuit board and a method of recognizing the position of surface mounted parts'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to HITACHI LTD (1)· patent assignee history
1991Based in Narashino, JP· patent location history
2019Patents assigned to CKD CORP (2)· patent assignee history
2019Based in Ichinomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CKD CORP22019
HITACHI LTD11991
Locations
LocationPatentsSpan
Ichinomiya, JP22019
Narashino, JP11991