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Inventor

Yasuhiko Nishi

Inventor
Osaka, JP

Overview

14→
Patents
1987–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

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

B23Kprimary
B23KSoldering or unsoldering30%
G01CMeasuring distances, levels or bearings17%
G02BOptical elements, systems or apparatus9%
B82YSpecific uses or applications of nanostructures4%
C01BNon-metallic elements4%
E01BPermanent way4%
G08GTraffic control systems4%
H01HElectric switches4%
H01JElectric discharge tubes or discharge lamps4%
H04LTransmission of digital information, e.g. telegraphic communication4%
PatentTitleYear
11,039,384Wireless communication system, information acquiring terminal, computer program, method for determining whether to adopt provided information20217,625,545'Process for producing carbon nanotubes by arc discharge'20097,145,422'DC relay'20065,455,676'Method of detecting a signal and modulation coefficient of a phase-modulated fiber-optic gyroscope based on a difference in the duration of multiple subwaves in a modulation period'19955,386,484'Optical fiber type polarizer'19955,365,339'Two depolarizer fiber-optic gyroscope that eliminates interference between the depolarizers'19945,335,064'Fiber-optic gyroscope for measuring velocity of an object'19944,876,432'Method for controlling a penetration bead'19894,851,639'Apparatus for automatically welding cylindrical vessel'19894,816,640'Automatic arc-welding method'19894,816,641'Automatic arc-welding method'19894,816,639'Automatic arc-welding method'19894,686,341'Gas shield chamber for arc welding of rails'19874,672,173'Gas-shielded arc welding apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1989Patents assigned to NIPPON KOKAN KK (7)· patent assignee history
1987Patents assigned to NIPPON KOKAN KOJI KK (2)· patent assignee history
1987Based in Mie, JP· patent location history
1987Based in Hisai, JP· patent location history
1989Patents assigned to NIPPON OXYGEN CO LTD (1)· patent assignee history
1989–2009Based in Tokyo, JP· patent location history
1994–2021Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (6)· patent assignee history
1994–2021Based in Osaka, JP· patent location history
2009Patents assigned to JFE ENG CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON KOKAN KK71987–1989
SUMITOMO ELECTRIC INDUSTRIES61994–2021
NIPPON KOKAN KOJI KK21987
JFE ENG CORP12009
NIPPON OXYGEN CO LTD11989
Locations
LocationPatentsSpan
Osaka, JP61994–2021
Tokyo, JP61989–2009
Mie, JP11987
Hisai, JP11987