Inventor
HATANAKA NORIAKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HATANAKA NORIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS5638012AJun 10, 1997
Write driver circuit
HITACHI LTD45 citations92
US5434717AJul 18, 1995
Read and/or write integrated circuit having an operation timing adjusting circuit and constant current elements
HITACHI LTD42 citations92
US5392172AFeb 21, 1995
Magnetic head circuit having a write current changeover circuit with a clamp voltage depending on write current for high-speed data transfer
HITACHI LTD33 citations92
US6218903B1Apr 17, 2001
Signal amplifier and magnetic disk storage apparatus using the same
HITACHI LTD27 citations91
US6114905ASep 5, 2000
Signal amplifier apparatus and magnetic disk storage apparatus using the same
HITACHI LTD14 citations81
US6473255B2Oct 29, 2002
Information storage device having transducers operating in a pulse mode in synchronism with a timing clock
HITACHI LTD7 citations72
US6163218ADec 19, 2000
Signal amplifier apparatus and magnetic disk storage apparatus using the same
HITACHI LTD12 citations72
US4249219AFeb 3, 1981
Current drive circuit for an induction coil
HITACHI LTD15 citations71
FANUC CORP
4 patentsUS10331104B2Jun 25, 2019
Machine tool, simulation apparatus, and machine learning device
FANUC CORP2 citations72
US10303143B2May 28, 2019
Numerical controller
FANUC CORP3 citations72
US10809672B2Oct 20, 2020
Measurement system
FANUC CORP0 citations41
US10394214B2Aug 27, 2019
Numerical controller temporarily stopping for a program call and numerical control method thereof
FANUC CORP0 citations41