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Inventor

Ken Hirano

Inventor
Hamamatsu, JP

Overview

3→
Patents
1999–2001
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps75%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation25%
PatentTitleYear
6,198,221'Electron tube'20015,917,282'Electron tube with electron lens'19995,883,466'Electron tube'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2001Patents assigned to HAMAMATSU PHOTONICS KK (3)· patent assignee history
1999–2001Based in Hamamatsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAMAMATSU PHOTONICS KK31999–2001
Locations
LocationPatentsSpan
Hamamatsu, JP31999–2001