Inventor
TAKAI TOSHIAKI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “TAKAI TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS8380075B2Feb 19, 2013
Optical transceiver module
HITACHI LTD22 citations90
US7750310B2Jul 6, 2010
Semiconductor radioactive ray detector, radioactive ray detection module, and nuclear medicine diagnosis apparatus
HITACHI LTD4 citations62
US7991251B2Aug 2, 2011
Optical module mounted with WDM filter
HITACHI LTD2 citations61
US8358172B2Jan 22, 2013
Peaking circuit, method for adjusting peaking circuit, differential amplifier installing peaking circuit, laser diode driving circuit installing peaking circuit, and data processing unit installing peaking circuit
HITACHI LTD1 citations50
HITACHI ASTEMO LTD
4 patentsUS12519445B2Jan 6, 2026
Signal transmission system
HITACHI ASTEMO LTD0 citations62
US12432845B2Sep 30, 2025
Vehicle-mounted electronic control device
HITACHI ASTEMO LTD0 citations62
US12171071B2Dec 17, 2024
Electronic control device
HITACHI ASTEMO LTD0 citations51
US12127330B2Oct 22, 2024
Electronic control device
HITACHI ASTEMO LTD0 citations49
OPNEXT JAPAN INC
3 patentsTAKAI TOSHIAKI
2 patentsHITACHI METALS LTD
2 patentsUS7948059B2May 24, 2011
Dividable semiconductor device having ceramic substrate and surface mount components collectively sealed on principle surface of ceramic substrate
HITACHI METALS LTD4 citations58
US9470863B2Oct 18, 2016
Optical module assembly, optical wiring board, and information processing device using them
HITACHI METALS LTD0 citations41