Inventor
DOI HIROKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “DOI HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
7 patentsUS7224591B2May 29, 2007
Charge pump DC/DC converter circuit
SHARP KK75 citations92
US6972602B2Dec 6, 2005
Power-on reset circuit
SHARP KK34 citations91
US6803807B2Oct 12, 2004
Negative voltage output charge pump circuit
SHARP KK21 citations91
US7586299B2Sep 8, 2009
Power-supply semiconductor integrated circuit, power-supply semiconductor integrated circuit system, development assisting system for power-supply circuit, and program and storage medium therefor
SHARP KK14 citations83
US6720761B1Apr 13, 2004
Hall device biasing circuit and magnetism detection circuit including the same
SHARP KK10 citations72
US6400201B1Jun 4, 2002
Delay circuit and ring oscillator incorporating the same
SHARP KK2 citations59
US6392444B1May 21, 2002
IIL reset circuit
SHARP KK0 citations51
CKD CORP
6 patentsUS7716993B2May 18, 2010
Gas flow rate verification unit
CKD CORP474 citations97
US7353841B2Apr 8, 2008
Relative pressure control system and relative flow control system
CKD CORP101 citations96
US6913031B2Jul 5, 2005
Pulse shot type flow controller and pulse shot type flow controlling method
CKD CORP43 citations88
US7343926B2Mar 18, 2008
Liquid raw material supply unit for vaporizer
CKD CORP10 citations84
US7853416B2Dec 14, 2010
Flow rate verification failure diagnosis apparatus, flow rate verification failure diagnosis system, flow rate verification failure diagnosis method, and control program product for flow rate verification failure diagnosis
CKD CORP4 citations60
US12188566B2Jan 7, 2025
Four-way valve, valve unit, temperature control system
CKD CORP0 citations47