Inventor

Hiroyuki Kamei

Inventor
Nagano, JP

Overview

22→
Patents
1991–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 22 as inventor

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

B41Jprimary
B41JTypewriters35%
H10NElectric solid-state devices not otherwise provided for18%
Y10TTechnical subjects covered by former us classification10%
C04BLime, magnesia6%
C23CCoating metallic material6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
G06KGraphical data reading4%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
G01SRadio direction-finding2%
PatentTitleYear
10,207,514Liquid ejecting apparatus with pressure adjusting valve20199,868,295'Liquid ejecting apparatus with pressure adjusting valve'20189,527,302'Liquid ejecting apparatus with pressure adjusting valve'20168,966,729'Method for manufacturing piezoelectric actuator'20157,845,772'Actuator device and liquid ejecting head'20107,614,128'Method of manufacturing piezoelectric element and method of manufacturing liquid-jet head'20097,544,240'Composition for ferroelectric thin film formation, ferroelectric thin film and liquid-jet head'20097,337,261'Memory apparatus connectable to a host system having a USB connector'20087,069,370'USB memory storage apparatus with integrated circuit in a connector'20066,869,170'Ink-jet recording head having a vibration plate prevented from being damaged and ink-jet recording apparatus for using the same'20056,813,831'Liquid jetting head, method of manufacturing the same, and liquid jetting apparatus incorporating the same'20046,767,084'Ink-jet recording head and ink-jet recording apparatus'20046,764,167'Ink-jet recording head inkjet recording apparatus'20046,758,554'Liquid jetting head, method of manufacturing the same, and liquid jetting apparatus incorporating the same'20046,551,652'Process for producing a piezoelectric element using a first SOL and a second SOL having a lead content greater than the first SOL'20036,502,930'Ink jet recording head, method for manufacturing the same, and ink jet recorder'20036,387,225'Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element'20026,294,860'Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element'20016,284,434'Piezoelectric thin film element fabrication method'20016,142,615'Ink-jet recording head with piezoelectric device and method for manufacturing the same'20006,097,133'Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element'20005,027,107'Frequency sensor'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to HITACHI LTD (1)· patent assignee history
1991Patents assigned to HITACHI TOKYO ELECTRONICS (1)· patent assignee history
1991Based in Suita, JP· patent location history
2000–2019Patents assigned to SEIKO EPSON CORP (19)· patent assignee history
2000–2009Based in Nagano, JP· patent location history
2006–2008Based in Kanagawa, JP· patent location history
2010–2019Based in Azumino, JP· patent location history
2015Patents assigned to KAMEI HIROYUKI (1)· patent assignee history
2015Patents assigned to KAMIJO TAKAHIRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP192000–2019
HITACHI LTD11991
HITACHI TOKYO ELECTRONICS11991
KAMEI HIROYUKIself12015
KAMIJO TAKAHIRO12015
Locations
LocationPatentsSpan
Nagano, JP142000–2009
Azumino, JP52010–2019
Kanagawa, JP22006–2008
Suita, JP11991