Inventor
DOUSEKI TAKAKUNI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “DOUSEKI TAKAKUNI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
9 patentsUS5821769AOct 13, 1998
Low voltage CMOS logic circuit with threshold voltage control
NIPPON TELEGRAPH & TELEPHONE224 citations98
US5594371AJan 14, 1997
Low voltage SOI (Silicon On Insulator) logic circuit
NIPPON TELEGRAPH & TELEPHONE143 citations97
US6320418B1Nov 20, 2001
Self-timed pipelined datapath system and asynchronous signal control circuit
NIPPON TELEGRAPH & TELEPHONE79 citations96
US6225827B1May 1, 2001
Dynamic logic circuit and self-timed pipelined datapath system
NIPPON TELEGRAPH & TELEPHONE59 citations96
US6140836AOct 31, 2000
Self-timed pipelined datapath system and asynchronous signal control circuit
NIPPON TELEGRAPH & TELEPHONE74 citations96
US5486774AJan 23, 1996
CMOS logic circuits having low and high-threshold voltage transistors
NIPPON TELEGRAPH & TELEPHONE136 citations95
US6111427AAug 29, 2000
Logic circuit having different threshold voltage transistors and its fabrication method
NIPPON TELEGRAPH & TELEPHONE37 citations92
US6426261B1Jul 30, 2002
Logic circuit and its fabrication method
NIPPON TELEGRAPH & TELEPHONE14 citations84
US6624666B2Sep 23, 2003
Differential type logic circuit
NIPPON TELEGRAPH & TELEPHONE0 citations41
ABLIC INC
7 patentsUS12032006B2Jul 9, 2024
Battery-less sensor circuit
ABLIC INC0 citations54
US12401274B2Aug 26, 2025
Electronic device including boost circuit
ABLIC INC0 citations51
US12255535B2Mar 18, 2025
Electronic device including boost circuit
ABLIC INC0 citations51
US11480464B2Oct 25, 2022
Optical sensor
ABLIC INC0 citations51
US10447155B2Oct 15, 2019
Power source device
ABLIC INC0 citations51
US10794770B2Oct 6, 2020
Signal detection circuit and signal detection method
ABLIC INC0 citations41
US10355588B2Jul 16, 2019
Power source device including voltage boost circuit
ABLIC INC0 citations41
RITSUMEIKAN TRUST
5 patentsUS12411027B2Sep 9, 2025
Power generation sensor
RITSUMEIKAN TRUST0 citations57
US12245923B2Mar 11, 2025
Power generation sensor
RITSUMEIKAN TRUST0 citations47
US12260290B2Mar 25, 2025
Two-dimensional code, generation device, and reading device
RITSUMEIKAN TRUST0 citations46
US11523945B2Dec 13, 2022
Device for assessing need to replace absorbent member
RITSUMEIKAN TRUST0 citations45
US11310971B2Apr 26, 2022
Plant cultivation system, controller, and plant cultivation method
RITSUMEIKAN TRUST0 citations43