Inventor
OKUDA HAJIME
JP21 patents
⚠️ This page may combine multiple inventors who share the name “OKUDA HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
10 patentsUS4893313AJan 9, 1990
Semiconductor laser device which has a double-hetero structure having an optimal layer thickness
TOSHIBA KK23 citations92
US5036521AJul 30, 1991
Semiconductor laser device
TOSHIBA KK17 citations82
US4987096AJan 22, 1991
Manufacturing method of semiconductor laser with non-absorbing mirror structure
TOSHIBA KK20 citations82
US5181218AJan 19, 1993
Manufacturing method of semiconductor laser with non-absorbing mirror structure
TOSHIBA KK16 citations74
US5034957AJul 23, 1991
Semiconductor laser device
TOSHIBA KK13 citations74
US4974232ANov 27, 1990
Semiconductor laser device
TOSHIBA KK6 citations74
US4862474AAug 29, 1989
Semicondutor laser device
TOSHIBA KK10 citations74
US7391102B2Jun 24, 2008
Semiconductor apparatus configured with a lead frame having sufficient strenght to protect against external forces
TOSHIBA KK3 citations63
US4974233ANov 27, 1990
Semiconductor laser device
TOSHIBA KK3 citations62
US4858241AAug 15, 1989
Semiconductor laser device
TOSHIBA KK3 citations62
ROHM CO LTD
10 patentsUS12021516B2Jun 25, 2024
Semiconductor device
ROHM CO LTD2 citations73
US11450752B2Sep 20, 2022
Semiconductor device
ROHM CO LTD3 citations71
US9570603B2Feb 14, 2017
Semiconductor device having trench gate structure and method for manufacturing the semiconductor device
ROHM CO LTD3 citations71
US10707155B2Jul 7, 2020
Semiconductor device with a bridge insulation layer
ROHM CO LTD1 citations62
US12183663B2Dec 31, 2024
Semiconductor device
ROHM CO LTD0 citations57
US12021012B2Jun 25, 2024
Semiconductor device
ROHM CO LTD0 citations57
US12426303B2Sep 23, 2025
Semiconductor device including insulation gate-type transistors
ROHM CO LTD0 citations52
US10177134B2Jan 8, 2019
Semiconductor device
ROHM CO LTD0 citations52
US9941266B2Apr 10, 2018
Semiconductor device
ROHM CO LTD0 citations52
US10374047B2Aug 6, 2019
Semiconductor device and manufacturing method thereof
ROHM CO LTD0 citations33