Inventor
MURAYAMA KEISUKE
JP42 patents
⚠️ This page may combine multiple inventors who share the name “MURAYAMA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
23 patentsUS8946702B2Feb 3, 2015
Semiconductor device
SEMICONDUCTOR ENERGY LAB51 citations98
US10559699B2Feb 11, 2020
Semiconductor device
SEMICONDUCTOR ENERGY LAB11 citations94
US9287411B2Mar 15, 2016
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB30 citations94
US9530892B2Dec 27, 2016
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB20 citations93
US9472679B2Oct 18, 2016
Semiconductor device
SEMICONDUCTOR ENERGY LAB23 citations93
US9449996B2Sep 20, 2016
Semiconductor device
SEMICONDUCTOR ENERGY LAB23 citations93
US9349869B2May 24, 2016
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB15 citations93
US11152494B2Oct 19, 2021
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB4 citations84
US10516062B2Dec 24, 2019
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB4 citations84
US10361291B2Jul 23, 2019
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB4 citations84
US10158026B2Dec 18, 2018
Semiconductor device including oxide semiconductor stacked layers
SEMICONDUCTOR ENERGY LAB5 citations84
US9997639B2Jun 12, 2018
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB4 citations84
US9941309B2Apr 10, 2018
Semiconductor device
SEMICONDUCTOR ENERGY LAB12 citations84
US11824105B2Nov 21, 2023
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB1 citations73
US11355648B2Jun 7, 2022
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB3 citations73
US11355645B2Jun 7, 2022
Semiconductor device comprising stacked oxide semiconductor layers
SEMICONDUCTOR ENERGY LAB1 citations73
US10872981B2Dec 22, 2020
Semiconductor device comprising an oxide semiconductor
SEMICONDUCTOR ENERGY LAB2 citations73
US10749015B2Aug 18, 2020
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB2 citations73
US9972718B2May 15, 2018
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB2 citations73
US9236490B2Jan 12, 2016
Transistor including oxide semiconductor film having regions of different thickness
SEMICONDUCTOR ENERGY LAB3 citations73
US12495619B2Dec 9, 2025
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB0 citations63
US12414335B2Sep 9, 2025
Semiconductor device comprising conductive layers functioning as first and second gate electrodes of a transistor
SEMICONDUCTOR ENERGY LAB0 citations63
US11929437B2Mar 12, 2024
Semiconductor device comprising various thin-film transistors
SEMICONDUCTOR ENERGY LAB0 citations63
SANKYO CO
17 patentsUS4241208ADec 23, 1980
Piperidine derivatives
SANKYO CO33 citations92
US3941744AMar 2, 1976
Piperidine derivatives and their use as stabilizers
SANKYO CO37 citations91
US3975357AAug 17, 1976
Stabilized synthetic polymer compositions
SANKYO CO27 citations82
US3940363AFeb 24, 1976
Piperidine derivatives and their use as stabilizers
SANKYO CO29 citations82
US3975462AAug 17, 1976
Piperidine-spiro-hydantoin derivatives and their use as stabilizers
SANKYO CO21 citations81
US4061616ADec 6, 1977
Stabilization of synthetic polymers
SANKYO CO7 citations74
US3984371AOct 5, 1976
Stabilization of synthetic polymers
SANKYO CO13 citations74
US3963730AJun 15, 1976
Process for preparing triacetonamine
SANKYO CO8 citations74
US4212974AJul 15, 1980
Piperidine derivatives
SANKYO CO8 citations73
US4125533ANov 14, 1978
Piperidine derivatives
SANKYO CO8 citations73
US4066615AJan 3, 1978
Polymer compositions containing piperidine derivatives as stabilizers
SANKYO CO14 citations73
US4016168AApr 5, 1977
Piperidine derivatives
SANKYO CO16 citations73
US4007158AFeb 8, 1977
Novel piperidine derivatives for the stabilization of synthetic polymers
SANKYO CO7 citations73
US3959298AMay 25, 1976
Process for preparing triacetonamine
SANKYO CO5 citations63
US3933735AJan 20, 1976
4-Piperidone derivatives, their preparation and their use as stabilizers
SANKYO CO4 citations61
US3940401AFeb 24, 1976
4,4-(O-phenylenedioxy)-2,2,6,6-tetramethyl piperidine
SANKYO CO3 citations60
US4076835AFeb 28, 1978
Ester of chrysanthemic acid, process for the preparation thereof and insecticidal compositions containing them
SANKYO CO0 citations45