Inventor
ISHIKAWA TOSHIYUKI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM CO LTD
14 patentsUS9697948B2Jul 4, 2017
Semiconductor device and semiconductor module
ROHM CO LTD24 citations93
US8040161B2Oct 18, 2011
Drive circuit device for a power semiconductor, and signal transfer circuit device for use therein
ROHM CO LTD9 citations84
US11011297B2May 18, 2021
Semiconductor device and semiconductor module
ROHM CO LTD4 citations83
US9632135B2Apr 25, 2017
Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device
ROHM CO LTD4 citations83
US12278482B2Apr 15, 2025
Isolated gate driver, traction inverter, and electric vehicle
ROHM CO LTD2 citations75
US11657953B2May 23, 2023
Semiconductor device and semiconductor module
ROHM CO LTD3 citations72
US10382035B2Aug 13, 2019
Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device
ROHM CO LTD3 citations72
US12407242B2Sep 2, 2025
Isolated gate driver, traction inverter, and electric vehicle
ROHM CO LTD0 citations62
US12387868B2Aug 12, 2025
Semiconductor device and semiconductor module
ROHM CO LTD0 citations62
US8823438B2Sep 2, 2014
Signal transmission circuit, integrated circuit and electric device including thereof for transmitting a plurality of signals each having different transmission speed
ROHM CO LTD3 citations62
US11658659B2May 23, 2023
Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device
ROHM CO LTD0 citations61
US11115020B2Sep 7, 2021
Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device
ROHM CO LTD0 citations61
US9088444B2Jul 21, 2015
Signal transfer device
ROHM CO LTD0 citations50
US10333499B2Jun 25, 2019
Signal transmission circuit and vehicle
ROHM CO LTD0 citations49
SHIMIZU CONSTRUCTION CO LTD
5 patentsUS4894489AJan 16, 1990
Electromagnetic shield-type doorway for buildings and electromagnetic shielding system therefor
SHIMIZU CONSTRUCTION CO LTD23 citations92
US4932180AJun 12, 1990
Electromagnetically shielded partition wall structure
SHIMIZU CONSTRUCTION CO LTD10 citations73
US4814694AMar 21, 1989
System for detecting and processing abnormality in electromagnetic shielding of intelligent buildings
SHIMIZU CONSTRUCTION CO LTD7 citations73
US4810961AMar 7, 1989
Radio wave leakage diagnosing system for intelligent building
SHIMIZU CONSTRUCTION CO LTD14 citations73
US4758686AJul 19, 1988
Electromagnetic shield structure for building windows
SHIMIZU CONSTRUCTION CO LTD10 citations73
SINTOKOGIO LTD
4 patentsUSD817348SMay 8, 2018
Display screen with graphical user interface
SINTOKOGIO LTD67 citations94
USD817347SMay 8, 2018
Display screen with graphical user interface
SINTOKOGIO LTD34 citations90
US12134279B2Nov 5, 2024
Laser marking apparatus, laser marking system, and laser marking method
SINTOKOGIO LTD0 citations47
US11554412B2Jan 17, 2023
Mold processing system and mold processing method
SINTOKOGIO LTD0 citations47