Tokyo
Japan
41
2023-02-09
The entities that hold a legal rights for patent applications filed by inventor SAKUMA Hitoshi:
Hitoshi SAKUMA from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
OPTICAL SEMICONDUCTOR ELEMENT
#2 | 2021-04-29Semiconductor laser device manufacturing method and semiconductor laser device
#3 | 2021-04-22Method for manufacturing optical semiconductor device
#4 | 2021-03-11Semiconductor optical element, semiconductor optical integrated element, and method for manufacturing semiconductor optical element
#5 | 2020-07-02Thin film laminate, thin film device and multilayer substrate
#6 | 2018-06-07Piezoelectric thin film-stacked body, piezoelectric thin film substrate, piezoelectric thin film device, piezoelectric actuator, piezoelectric sensor, head assembly, head stack assembly, hard disk drive, printer head, and ink-jet printer device
#7 | 2018-03-15Method of manufacturing a dielectric device
#8 | 2017-07-13METHOD OF MANUFACTURING SEMICONDUCTOR LASER ELEMENT
#9 | 2016-11-10Semiconductor device manufacturing method and semiconductor device
#10 | 2016-07-28Piezoelectric thin film element, piezoelectric actuator, piezoelectric sensor, hard-disk drive and ink jet printer device
#11 | 2015-12-17Piezoelectric device, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer apparatus
#12 | 2015-07-23Thin film piezoelectric element, thin film piezoelectric actuator, and thin film piezoelectric sensor; and hard disk drive, and inkjet printer
#13 | 2015-07-09Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer device
#14 | 2015-04-23Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and ink-jet printer device
#15 | 2014-11-20Thin film piezoelectric element, thin film piezoelectric actuator, thin film piezoelectric sensor, hard drive disk, and inkjet printer device
#16 | 2014-09-18Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer device
#17 | 2014-09-18Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer device
#18 | 2014-05-29Thin-film piezoelectric element, thin-film piezoelectric actuator, thin-film piezoelectric sensor, hard disk drive, and inkjet printer apparatus
#19 | 2014-03-27THIN FILM PIEZOELECTRIC DEVICE
#20 | 2014-03-27Thin film piezoelectric device
#21 | 2014-02-06Piezoelectric device
#22 | 2014-02-06Piezoelectric device having first and second non-metal electroconductive intermediate films
#23 | 2013-12-05Piezoelectric device with electrode films and electroconductive oxide film
#24 | 2013-12-05DIELECTRIC DEVICE
#25 | 2011-08-11SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD FOR MANUFACTURING THE SAME
#26 | 2011-01-20SEMICONDUCTOR LASER DEVICE
#27 | 2010-09-30SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
#28 | 2010-07-29METHOD FOR MANUFACTURING MULTIPLE-WAVELENGTH SEMICONDUCTOR LASER
#29 | 2010-05-27Nitride semiconductor device having a silicon-containing layer and manufacturing method thereof
#30 | 2009-07-23SEMICONDUCTOR LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR
#31 | 2009-07-02Method for manufacturing semiconductor light emitting device
#32 | 2009-06-11Nitride semiconductor device
#33 | 2009-05-21Method for manufacturing nitride semiconductor light-emitting element
#34 | 2009-05-21NITRIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
#35 | 2009-03-19Semiconductor photodetector and manufacturing method therefor
#36 | 2008-09-04Nitride semiconductor device having a silicon-containing connection layer and manufacturing method thereof
#37 | 2008-05-22Nitride semiconductor device and method of manufacturing the same
#38 | 2008-01-31Nitride semiconductor device and manufacturing method of the same
#39 | 2008-01-24Method for manufacturing semiconductor optical device
#40 | 2008-01-03Thin film device
#41 | 2007-10-04Nitride semiconductor device and manufacturing method thereof
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