Inventor
YAMAZAKI TOMOYUKI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “YAMAZAKI TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHIMADZU CORP
23 patentsUS11774413B2Oct 3, 2023
Preparative liquid chromatograph
SHIMADZU CORP2 citations73
US11047834B2Jun 29, 2021
Preparative liquid chromatograph
SHIMADZU CORP2 citations73
US11630088B2Apr 18, 2023
Preparative liquid chromatography system
SHIMADZU CORP1 citations62
US9314794B2Apr 19, 2016
Needle port
SHIMADZU CORP2 citations60
US12590933B2Mar 31, 2026
Preparative separation and purification device and preparative separation and purification method
SHIMADZU CORP0 citations52
US12392689B2Aug 19, 2025
Online sampling system
SHIMADZU CORP0 citations52
US10041914B1Aug 7, 2018
Degassing device
SHIMADZU CORP1 citations51
US9877368B2Jan 23, 2018
Optical analyzer
SHIMADZU CORP1 citations51
US11103806B2Aug 31, 2021
Preparative separation-purification system
SHIMADZU CORP0 citations50
US9144832B2Sep 29, 2015
Needle washing mechanism
SHIMADZU CORP0 citations50
US12467907B2Nov 11, 2025
Preparative liquid chromatograph
SHIMADZU CORP0 citations49
US11940428B2Mar 26, 2024
Preparative liquid chromatograph
SHIMADZU CORP0 citations49
US12222340B2Feb 11, 2025
Preparative liquid chromatograph
SHIMADZU CORP0 citations47
US12203907B2Jan 21, 2025
Autosampler for liquid chromatograph
SHIMADZU CORP0 citations43
US10746170B2Aug 18, 2020
Apparatus and method for controlling reciprocating pump
SHIMADZU CORP0 citations42
US10732153B2Aug 4, 2020
Separation/purification apparatus
SHIMADZU CORP0 citations42
US10722893B2Jul 28, 2020
Mounting and heating mechanism of sample collection containers
SHIMADZU CORP0 citations42
US10514364B2Dec 24, 2019
Preparative separation-purification method and system
SHIMADZU CORP0 citations42
US10184918B2Jan 22, 2019
Gas-spouting liquid-sample injector and injection container for the same
SHIMADZU CORP0 citations42
US9649634B2May 16, 2017
Interconnection mechanism for column and needle
SHIMADZU CORP0 citations42
US9630125B2Apr 25, 2017
Gas-blowing liquid sample infusing device and infusion container used for the same
SHIMADZU CORP0 citations42
US9821250B2Nov 21, 2017
Preparative separation-purification system for capturing target components
SHIMADZU CORP0 citations39
US9884267B2Feb 6, 2018
Preparative separation-purification system for controlling the passage of solution therein
SHIMADZU CORP0 citations33
FUJI ELECTRIC CO LTD
7 patentsUS6828645B2Dec 7, 2004
Voltage withstanding structure for a semiconductor device
FUJI ELECTRIC CO LTD17 citations92
US6603185B1Aug 5, 2003
Voltage withstanding structure for a semiconductor device
FUJI ELECTRIC CO LTD24 citations92
US5559355ASep 24, 1996
Vertical MOS semiconductor device
FUJI ELECTRIC CO LTD27 citations92
US5430323AJul 4, 1995
Injection control-type Schottky barrier rectifier
FUJI ELECTRIC CO LTD29 citations92
US5557128ASep 17, 1996
Insulated-gate type bipolar transistor
FUJI ELECTRIC CO LTD24 citations91
US6809393B1Oct 26, 2004
Level shifter
FUJI ELECTRIC CO LTD7 citations74
US8004037B2Aug 23, 2011
MOS type semiconductor device
FUJI ELECTRIC CO LTD0 citations42
MITSUBISHI POWER LTD
5 patentsUSD978195SFeb 14, 2023
Display screen with graphical user interface
MITSUBISHI POWER LTD2 citations72
USD967140SOct 18, 2022
Display screen with transitional graphical user interface
MITSUBISHI POWER LTD1 citations61
USD967139SOct 18, 2022
Display screen with transitional graphical user interface
MITSUBISHI POWER LTD0 citations61
USD967138SOct 18, 2022
Display screen with transitional graphical user interface
MITSUBISHI POWER LTD0 citations61
US12367455B2Jul 22, 2025
Member attachment support system and member attachment support method
MITSUBISHI POWER LTD0 citations47