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Inventor

Yoshitake Kato

Inventor
Ibaragi, JP

Overview

39→
Patents
1986–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 39 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 transducer39%
H10DInorganic electric semiconductor devices17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
H10BElectronic memory devices11%
H01LSemiconductor devices9%
C23CCoating metallic material5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,658,469Semiconductor device including a plurality of nitride semiconductor layers202010,374,053Semiconductor device and manufacturing method thereof20199,379,178'Manufacturing method of semiconductor device comprising a capacitor element'20169,209,189'Semiconductor integrated circuit device and method for producing the same'20159,142,609'MIM capacitor device'20158,940,601'Manufacturing method of semiconductor device'20158,685,866'Method of manufacturing semiconductor device and substrate processing apparatus'20147,672,575'Evaporator featuring annular ridge member provided on side wall surface of evaporating chamber'20107,608,502'Method for manufacturing semiconductor device'20096,602,722'Process for fabricating capacitor having dielectric layer with pervskite structure and apparatus for fabricating the same'20036,306,667'Method for forming a capacitor in a semiconductor device'20016,284,595'Method for fabricating stacked capacitor having excellent anti-oxidation property'20016,184,044'Thin film capacitor including perovskite-type oxide layers having columnar structure and granular structure'20015,537,389'Disk cartridge having a single closing energizer for closing two independently opened shutters'19965,432,662'Data recording cartridge including a flexible magnetic recording medium'19955,383,078'Magnetic disk assembly having a hub with a circular recess extending circumferentially along an outer peripheral edge thereof'19955,317,467'Data recording cartridge including a flexible magnetic recording medium'19945,121,380'Disc cartridge shutter'19925,006,948'Disk cartridge with improved cleaning mechanism'19914,999,727'Disc cartridge with alignment elements on two hub halves'19914,970,618'Disk cartridge case formed by ultrasonic welding'19904,918,559'Shutter assembly for a disk cartridge'19904,908,726'Disk cartride having an improved shutter'19904,885,653'Disk cartridge with a hub having an outsert molded control ring'19894,868,701'Recording disc assembly'19894,851,948'Disk cartridge with shutter biasing device'19894,851,947'Improved disk cartridge including a shutter for opening and closing head entry apertures'19894,849,844'Disk cartridge'19894,839,766'Disk cartridge with improved shutter moving mechanism'19894,831,478'Disc drive assembly for supporting a recording disc'1989D0298251'Disk cartridge'19884,743,994'Arrangement for positioning a recording disc of a disc cartridge'19884,742,419'Hub assembly for a recording disc cartridge'19884,734,815'Disc cartridge with a cleaning mechanism'19884,714,973'Shutter assembly for use in a disc cartridge'19874,630,728'Disc cartridge'19864,583,144'Magnetic recording disc cartridge'19864,579,225'Disc cartridge'19864,573,572'Recording disc cartridge'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1996Patents assigned to HITACHI MAXELL (26)· patent assignee history
1986–1990Based in Ibaragi, JP· patent location history
1989–1996Based in Ibaraki, JP· patent location history
1994–1995Based in Mitsukaido, JP· patent location history
2001–2003Patents assigned to NEC CORP (4)· patent assignee history
2001–2020Based in Tokyo, JP· patent location history
2009–2010Patents assigned to NEC ELECTRONICS CORP (2)· patent assignee history
2009–2015Based in Kanagawa, JP· patent location history
2014–2020Patents assigned to RENESAS ELECTRONICS CORP (7)· patent assignee history
2014–2015Patents assigned to KATO YOSHITAKE (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI MAXELL261986–1996
RENESAS ELECTRONICS CORP72014–2020
NEC CORP42001–2003
KATO YOSHITAKEself32014–2015
NEC ELECTRONICS CORP22009–2010
Locations
LocationPatentsSpan
Ibaragi, JP111986–1990
Ibaraki, JP101989–1996
Tokyo, JP52001–2020
Kanagawa, JP52009–2015
Mitsukaido, JP31994–1995