Inventor

Akira Ichihara

Inventor

Kakuda, JP

Overview

8→

Patents

1987–2021

Patent span

Physics

Primary field (CPC G)

Patents· 8 as inventor

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties25%

G11BInformation storage based on relative movement between record carrier and transducer25%

G02BOptical elements, systems or apparatus17%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%

PatentTitleYear

11,079,656Supercontinuum source, method for generating and emitting a supercontinuum, multiphoton excitation fluorescence microscope, and multiphoton excitation method2021 9,921,398'Drive control method for objective lens and fluorescence microscope system'2018 5,151,836'Disk chucking device'1992 4,942,773'Device for sampling steel material'1990 4,845,412'Speed control apparatus for motor'1989 4,833,930'Method of sampling steel material and a device therefor'1989 4,669,008'Disk support device'1987 4,649,444'Disk support device having deformation limiting member'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Patents assigned to ALPS ELECTRIC CO LTD (4)· patent assignee history

1987–1989Based in Kakuda, JP· patent location history

1989–1990Patents assigned to KAWASAKI STEEL CO (2)· patent assignee history

1989–1990Patents assigned to NIPPON AIR BRAKE CO (2)· patent assignee history

1989–1990Based in Kurashiki, JP· patent location history

1992Based in Furukawa, JP· patent location history

2018Patents assigned to RIKEN (1)· patent assignee history

2018–2021Based in Wako, JP· patent location history

2021Patents assigned to USHIO ELECTRIC INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALPS ELECTRIC CO LTD	4	1987–1992
KAWASAKI STEEL CO	2	1989–1990
NIPPON AIR BRAKE CO	2	1989–1990
RIKEN	1	2018
USHIO ELECTRIC INC	1	2021

Locations

Location	Patents	Span
Kakuda, JP	3	1987–1989
Wako, JP	2	2018–2021
Kurashiki, JP	2	1989–1990
Furukawa, JP	1	1992