Inventor
TAKAGI EIJI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAXELL LTD
8 patentsUS11586040B2Feb 21, 2023
In-vehicle information display system and information display apparatus
MAXELL LTD9 citations86
US12038580B2Jul 16, 2024
In-vehicle information display system and information display apparatus
MAXELL LTD2 citations73
US12493183B2Dec 9, 2025
In-vehicle information display system and information display apparatus
MAXELL LTD0 citations62
US12325302B2Jun 10, 2025
Light source apparatus, and information display system and head-up display apparatus using the same
MAXELL LTD0 citations62
US12286012B2Apr 29, 2025
Information display system and vehicle information display system using the same
MAXELL LTD0 citations52
US12038644B2Jul 16, 2024
Light source apparatus and information display system using the same
MAXELL LTD0 citations52
US11878586B2Jan 23, 2024
Information display apparatus and spatial sensing apparatus
MAXELL LTD0 citations52
US11880125B2Jan 23, 2024
Information display system having acute-angled diffusion characteristics and image light control film used for the same
MAXELL LTD0 citations52
SEIKO EPSON CORP
7 patentsUS6903830B1Jun 7, 2005
Electronic printing apparatus with power saving mode and control method therefor
SEIKO EPSON CORP17 citations80
US5870533AFeb 9, 1999
Data receiving system
SEIKO EPSON CORP10 citations73
US5745663AApr 28, 1998
Data receiving system
SEIKO EPSON CORP6 citations73
US11577505B2Feb 14, 2023
Print head drive circuit and liquid ejecting apparatus
SEIKO EPSON CORP1 citations60
US11685152B2Jun 27, 2023
Print head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations49
US11383523B2Jul 12, 2022
Print head drive circuit and liquid ejecting apparatus
SEIKO EPSON CORP0 citations49
US11207886B2Dec 28, 2021
Print head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations49
TOSHIBA KK
4 patentsUS6455880B1Sep 24, 2002
Microwave semiconductor device having coplanar waveguide and micro-strip line
TOSHIBA KK70 citations94
US5898909AApr 27, 1999
Ultra high frequency radio communication apparatus
TOSHIBA KK86 citations94
US5764119AJun 9, 1998
Wiring board for high-frequency signals and semiconductor module for high-frequency signals using the wiring board
TOSHIBA KK26 citations92
US5631809AMay 20, 1997
Semiconductor device for ultrahigh frequency band and semiconductor apparatus including the semiconductor device
TOSHIBA KK35 citations92