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Inventor

Ryusuke Nakai

Inventor
Osaka, JP

Overview

11→
Patents
1985–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

C30Bprimary
C30BSingle-crystal growth19%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1012%
B01DSeparation8%
B63JAuxiliaries on vessels8%
C02FTreatment of water, waste water, sewage, or sludge8%
A61LMethods or apparatus for sterilising materials or objects in general4%
B22DCasting of metals4%
B63BShips or other waterborne vessels4%
B82YSpecific uses or applications of nanostructures4%
C22CAlloys4%
PatentTitleYear
10,767,282Method for manufacturing carbon nanostructure, and device for manufacturing carbon nanostructure202010,220,120Alloy for medical use and method of producing the same20199,688,376'Ballast water treatment system for ship'20179,511,310'Device and method for treating ballast water for ship'20166,180,269'GaAs single crystal substrate and epitaxial wafer using the same'20015,647,917'Epitaxy for growing compound semiconductors and an InP substrate for epitaxial growth'19975,105,628'Method of storing semiconductor substrate'19924,863,554'Process for pulling a single crystal'19894,636,280'Method for the pretreatment of a substrate for ion implantation'19874,634,490'Method of monitoring single crystal during growth'19874,556,784'Method for controlling vertically arranged heaters in a crystal pulling device'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2020Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (10)· patent assignee history
1985–2020Based in Osaka, JP· patent location history
1987–1989Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
1992Based in Hyogo, JP· patent location history
1997–2001Based in Itami, JP· patent location history
2016Patents assigned to KASHIHARA HIDEKI (1)· patent assignee history
2016Patents assigned to NAKAI RYUSUKE (1)· patent assignee history
2016Patents assigned to OKUI MANABU (1)· patent assignee history
2019Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES101985–2020
NIPPON TELEGRAPH & TELEPHONE21987–1989
KASHIHARA HIDEKI12016
NAKAI RYUSUKEself12016
OKUI MANABU12016
Locations
LocationPatentsSpan
Osaka, JP71985–2020
Itami, JP21997–2001
Kyoto, JP12019
Hyogo, JP11992