LexDanaLexDanabeta
Inventor

Katsuyuki Hosoya

Inventor
Oume, JP

Overview

2→
Patents
1981–1987
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F21Vprimary
F21VFunctional features or details of lighting devices or systems thereof50%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted50%
PatentTitleYear
D0292130'Fluorescent lamp'19874,282,563'Fluorescent lamp unit'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1987Patents assigned to HITACHI LTD (2)· patent assignee history
1981Based in Ohme, JP· patent location history
1987Based in Oume, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21981–1987
Locations
LocationPatentsSpan
Oume, JP11987
Ohme, JP11981