LexDanaLexDanabeta
Inventor

Yasuyuki Takagi

Inventor
Chiba, JP

Overview

15→
Patents
1984–2018
Patent span
Physics
Primary field (CPC G)

Patents· 15 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 properties17%
H01JElectric discharge tubes or discharge lamps17%
B41JTypewriters8%
F16HGearing8%
G03CPhotosensitive materials for photographic purposes8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A24CMachines for making cigars or cigarettes4%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body4%
C02FTreatment of water, waste water, sewage, or sludge4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
PatentTitleYear
9,958,040Tensioner and rocking lever20189,746,055'Chain tensioner'20177,297,944'Ion beam device and ion beam processing method, and holder member'20077,276,691'Ion beam device and ion beam processing method'20076,838,685'Ion beam apparatus, ion beam processing method and sample holder member'20056,805,133'Apparatus for stabilizing air permeability characteristic of filter cigarettes'20046,796,633'Ink-jet recorder and method for cleaning restoring system'20046,709,632'ICP analyzer'20046,632,910'Covering material'20036,612,679'Ink-jet recorder'20035,686,051'Ozone water production apparatus'19975,445,931'Silver halide photographic material'19955,302,501'Silver halide photographic material'19945,265,590'Motor-driven massager with variable speed control'19934,424,467'Cathode-ray tube having a mixture of long and short persistence phosphors'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to FUJI PHOTO FILM CO LTD (2)· patent assignee history
1994–1995Based in Kanagawa, JP· patent location history
2003–2004Patents assigned to CANON FINETECH INC (2)· patent assignee history
2004–2007Patents assigned to SII NANOTECHNOLOGY INC (4)· patent assignee history
2004Patents assigned to JAPAN TOBACCO INC (1)· patent assignee history
2004–2007Based in Chiba, JP· patent location history
2004Based in Shizuoka, JP· patent location history
2004Based in Tokyo, JP· patent location history
2017–2018Patents assigned to TSUBAKIMOTO CHAIN CO (2)· patent assignee history
2017–2018Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SII NANOTECHNOLOGY INC42004–2007
CANON FINETECH INC22003–2004
FUJI PHOTO FILM CO LTD21994–1995
TSUBAKIMOTO CHAIN CO22017–2018
JAPAN TOBACCO INC12004
Locations
LocationPatentsSpan
Chiba, JP42004–2007
Osaka, JP22017–2018
Kanagawa, JP21994–1995
Shizuoka, JP12004
Tokyo, JP12004