Inventor

Eiji Ando

Inventor

Katano, JP

Overview

31→

Patents

1977–2020

Patent span

Physics

Primary field (CPC G)

Patents· 31 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 transducer19%

B66BElevators14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

C07DHeterocyclic compounds11%

G03CPhotosensitive materials for photographic purposes7%

B82YSpecific uses or applications of nanostructures6%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

B05DProcesses for applying fluent materials to surfaces, in general4%

F24SSolar heat collectors3%

F25BRefrigeration machines, plants or systems3%

PatentTitleYear

10,526,170Elevator apparatus2020 9,708,158'Multi-car elevator using an exclusion zone and preventing inter-car collision'2017 9,018,332'Polyorganosiloxane containing methacryloxy group or acryloxy group and method for producing the same'2015 8,336,677'Safety device for elevator and rope slip detection method'2012 8,297,413'Safety device for elevator and rope slip detection method using drive sheave acceleration'2012 8,261,886'Safety device for elevator and rope slip detection method'2012 8,186,484'Elevator system which controls a value of overspeed'2012 8,177,034'Elevator system which controls a value of overspeed'2012 8,177,035'Elevator system which controls a value of overspeed'2012 7,637,357'Elevator apparatus with sheave rotational speed difference determination for detecting an abnormality'2009 6,435,316'Rope support device for elevator'2002 5,360,699'Photochromic material and an optical storage medium using the same'1994 5,252,437'Photochromic materials having a thin photochromic film and a method for fabricating the same'1993 5,241,075'Photochromic spiropyran compounds'1993 5,155,230'Photochromic dinitrated spiropyrans'1992 5,110,648'Optical storage medium'1992 5,095,120'Process for the preparation of photochromic spiropyran compounds'1992 5,079,061'Optical storage media'1992 5,039,555'Method of preparing lubricant for recording media'1991 4,937,120'Optical recording medium and process for producing the same'1990 4,913,948'Optical recording medium'1990 4,845,240'Optical recording medium and process for producing the same'1989 4,845,021'Method for recording optical information in optical high density recording mediums'1989 4,803,287'Certain photochromic fulgide compounds and method for their synthesis'1989 4,794,068'Optical recording medium'1988 4,737,427'Optical high density recording mediums, method for making same and method for recording optical information in the medium'1988 4,686,169'Optical recording medium and production of the same'1987 4,557,850'Composition for absorption refrigeration'1985 4,207,744'Solar refrigeration system'1980 4,178,989'Solar heating and cooling system'1979 4,001,014'Electrophotographic photosensitive plate having tellurium present in varying concentrations across its thickness'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1994Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (16)· patent assignee history

1977–1994Based in Katano, JP· patent location history

1979–1980Based in Kadoma, JP· patent location history

1988–1993Based in Osaka, JP· patent location history

1989–1990Patents assigned to AGENCY IND SCIENCE TECHN (4)· patent assignee history

2002–2020Patents assigned to MITSUBISHI ELECTRIC CORP (10)· patent assignee history

2002–2017Based in Tokyo, JP· patent location history

2012–2017Patents assigned to ANDO EIJI (8)· patent assignee history

2012Patents assigned to KIGAWA HIROSHI (3)· patent assignee history

2020Based in Chiyoda-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	16	1977–1994
MITSUBISHI ELECTRIC CORP	10	2002–2020
ANDO EIJIself	8	2012–2017
AGENCY IND SCIENCE TECHN	4	1989–1990
KIGAWA HIROSHI	3	2012

Locations

Location	Patents	Span
Katano, JP	13	1977–1994
Tokyo, JP	9	2002–2017
Osaka, JP	5	1988–1993
Kadoma, JP	2	1979–1980
Chiyoda-ku, JP	1	2020