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Inventor

Fumio Watase

Inventor
Shizouka, JP

Overview

2→
Patents
1981–2013
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.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer50%
H01JElectric discharge tubes or discharge lamps50%
PatentTitleYear
8,421,354'Photocathode, photomultiplier and electron tube'20134,286,294'Recording/reproducing system'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to KOKUSAI GIJUTSU KAIHATSU KK (1)· patent assignee history
1981Based in Mitaka, JP· patent location history
2013Patents assigned to HAMAMATSU PHOTONICS KK (1)· patent assignee history
2013Patents assigned to WATANABE HIROYUKI (1)· patent assignee history
2013Patents assigned to WATASE FUMIO (1)· patent assignee history
2013Patents assigned to YAMASHITA SHINICHI (1)· patent assignee history
2013Based in Shizouka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAMAMATSU PHOTONICS KK12013
KOKUSAI GIJUTSU KAIHATSU KK11981
WATANABE HIROYUKI12013
WATASE FUMIOself12013
YAMASHITA SHINICHI12013
Locations
LocationPatentsSpan
Shizouka, JP12013
Mitaka, JP11981