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Inventor

Hirotoshi Igarashi

Inventor
Niigata, JP

Overview

2→
Patents
2000–2001
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.

G01Sprimary
G01SRadio direction-finding50%
B63CLaunching, hauling-out, or dry-docking of vessels25%
H04NPictorial communication, e.g. television25%
PatentTitleYear
6,304,289'Submerged laser television and submerged laser visual recognizer'20016,115,511'Underwater laser imaging apparatus'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (2)· patent assignee history
2000Patents assigned to PORT & HARBOUR RES INST MINI TRANSPORT (1)· patent assignee history
2000Patents assigned to PORT CONSTR BUREAU MINI TRANSPORT (1)· patent assignee history
2000–2001Based in Niigata, JP· patent location history
2001Patents assigned to DIRECTOR GENERAL OF PORT HARBO (1)· patent assignee history
2001Patents assigned to ST DIRECTOR GENERAL OF THE 1 (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ISHIKAWAJIMA HARIMA HEAVY IND22000–2001
DIRECTOR GENERAL OF PORT HARBO12001
PORT & HARBOUR RES INST MINI TRANSPORT12000
PORT CONSTR BUREAU MINI TRANSPORT12000
ST DIRECTOR GENERAL OF THE 112001
Locations
LocationPatentsSpan
Niigata, JP22000–2001