Inventor
MAKITA AKIHIKO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “MAKITA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
10 patentsUS6867939B2Mar 15, 2005
Disk unit and information processing apparatus
FUJITSU LTD96 citations94
US6052357AApr 18, 2000
Compact optical disk apparatus having a swing-motion optical head
FUJITSU LTD23 citations92
US5815328ASep 29, 1998
Lens actuator and optical disk apparatus
FUJITSU LTD23 citations92
US7602583B2Oct 13, 2009
Disc clamping device and disc drive having the same
FUJITSU LTD9 citations83
US5404368AApr 4, 1995
Semiconductor optical apparatus having an improved precision for the optical beam position
FUJITSU LTD7 citations72
US6473389B2Oct 29, 2002
Lens actuator
FUJITSU LTD10 citations69
US6775837B1Aug 10, 2004
Head lifting device and disk apparatus incorporating the same
FUJITSU LTD2 citations62
US6404726B1Jun 11, 2002
Optical disk drive having a swing arm
FUJITSU LTD5 citations62
US6249491B1Jun 19, 2001
Magneto-optical head having dual magnetic field generators
FUJITSU LTD2 citations62
US6272079B1Aug 7, 2001
Optical head unit for optical disk apparatus having both focus control and track control function
FUJITSU LTD6 citations61
NIDEC CORP
10 patentsUS11252837B2Feb 15, 2022
Cooling apparatus
NIDEC CORP3 citations72
US11236738B2Feb 1, 2022
Cooling apparatus
NIDEC CORP2 citations72
US10605267B2Mar 31, 2020
Blower apparatus
NIDEC CORP2 citations70
US10550846B2Feb 4, 2020
Blower apparatus
NIDEC CORP4 citations70
US10253786B2Apr 9, 2019
Blower apparatus
NIDEC CORP2 citations70
US10247201B2Apr 2, 2019
Blower apparatus
NIDEC CORP2 citations70
US9976570B2May 22, 2018
Blower apparatus
NIDEC CORP3 citations70
US11470743B2Oct 11, 2022
Cooling device
NIDEC CORP0 citations60
US11147187B2Oct 12, 2021
Radiative cooling device with liquid pump
NIDEC CORP0 citations60
US11725650B2Aug 15, 2023
Liquid feeder
NIDEC CORP0 citations50