Inventor

Kazufumi Hirabayashi

Inventor

Tokyo, JP

Overview

3→

Patents

2016–2021

Patent span

Physics

Primary field (CPC G)

Patents· 3 as inventor

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

B66Bprimary

B66BElevators25%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light13%

G01MTesting static or dynamic balance of machines or structures13%

G01NInvestigating or analysing materials by determining their chemical or physical properties13%

G02BOptical elements, systems or apparatus13%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

G06FElectric digital data processing13%

PatentTitleYear

10,883,880Optical characteristic evaluation method and optical characteristic evaluation system2021 10,266,371Elevator control apparatus2019 9,242,833'Control device of elevator'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2019Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history

2016Patents assigned to HIRABAYASHI KAZUFUMI (1)· patent assignee history

2016–2019Based in Tokyo, JP· patent location history

2021Patents assigned to KONICA MINOLTA INC (1)· patent assignee history

2021Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	2	2016–2019
HIRABAYASHI KAZUFUMIself	1	2016
KONICA MINOLTA INC	1	2021

Locations

Location	Patents	Span
Tokyo, JP	2	2016–2019
Sagamihara, JP	1	2021