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Inventor

Yujiro Sei

Inventor
Hamamatsu, JP

Overview

3→
Patents
2003
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

G01Jprimary
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light30%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation20%
F21VFunctional features or details of lighting devices or systems thereof20%
H01JElectric discharge tubes or discharge lamps20%
H01KElectric incandescent lamps10%
PatentTitleYear
6,644,835'Portable light source apparatus'20036,637,913'Portable light source apparatus'20036,601,972'Deuterium lamp box and portable light source apparatus'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to HAMAMATSU PHOTONICS KK (3)· patent assignee history
2003Based in Hamamatsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAMAMATSU PHOTONICS KK32003
Locations
LocationPatentsSpan
Hamamatsu, JP32003