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Inventor

Hidekatsu Ohishi

Inventor
Tokyo, JP

Overview

2→
Patents
1978–2021
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

B63Bprimary
B63BShips or other waterborne vessels17%
G06FElectric digital data processing17%
G08BSignalling systems, e.g. personal calling systems17%
H04MTelephonic communication17%
H04WWireless communication networks17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
10,911,925Alert distribution device, alert distribution method, and recording medium20214,077,346'Method of producing storage tank support block for low temperature liquified gas carrying vessels'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to HITACHI SHIPBUILDING ENG CO (1)· patent assignee history
1978Based in Osaka, JP· patent location history
2021Patents assigned to NEC CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI SHIPBUILDING ENG CO11978
NEC CORP12021
Locations
LocationPatentsSpan
Tokyo, JP12021
Osaka, JP11978