P

Inventor

OHARA TAKUYA

JP35 patents
⚠️ This page may combine multiple inventors who share the name “OHARA TAKUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

21 patents
US7386018B2Jun 10, 2008

Mode-locked laser and optical multi-carrier source using same

NIPPON TELEGRAPH & TELEPHONE8 citations73
US10250348B2Apr 2, 2019

Optical transport system and resource optimization method

NIPPON TELEGRAPH & TELEPHONE2 citations71
US12301671B2May 13, 2025

Information processing system, information processing method and program

NIPPON TELEGRAPH & TELEPHONE0 citations62
US12206450B2Jan 21, 2025

Phase difference distribution estimation method and phase difference distribution estimation apparatus

NIPPON TELEGRAPH & TELEPHONE0 citations62
US11917019B2Feb 27, 2024

Information processing system, information processing method and program

NIPPON TELEGRAPH & TELEPHONE0 citations62
US7970008B2Jun 28, 2011

Multiplexing transmission system and multiplexing transmission method

NIPPON TELEGRAPH & TELEPHONE4 citations62
US7151897B2Dec 19, 2006

Optical clock phase-locked loop circuit

NIPPON TELEGRAPH & TELEPHONE2 citations62
US6842565B2Jan 11, 2005

Optical modulation/multiplexing circuit

NIPPON TELEGRAPH & TELEPHONE2 citations62
US9438365B2Sep 6, 2016

Client signal mapping circuit and mapping method

NIPPON TELEGRAPH & TELEPHONE0 citations52
US12248428B2Mar 11, 2025

Information processing system, information processing method and program

NIPPON TELEGRAPH & TELEPHONE0 citations51
US12224797B2Feb 11, 2025

Optical wireless communication device and optical wireless communication method

NIPPON TELEGRAPH & TELEPHONE0 citations51
US12206458B2Jan 21, 2025

Communication apparatus and optical communication system

NIPPON TELEGRAPH & TELEPHONE0 citations51
US12170607B2Dec 17, 2024

Transmission apparatus, transmission system and delay adjustment method

NIPPON TELEGRAPH & TELEPHONE0 citations51
US12149285B2Nov 19, 2024

Optical wireless communication system and optical wireless communication method

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11923862B2Mar 5, 2024

Transmission apparatus and transmission system

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11916685B2Feb 27, 2024

Transmission apparatus and transmission method

NIPPON TELEGRAPH & TELEPHONE0 citations51
US10122462B2Nov 6, 2018

Transport apparatus and transport method

NIPPON TELEGRAPH & TELEPHONE0 citations41
US9667350B2May 30, 2017

Optical receiving device and phase cycle reduction method

NIPPON TELEGRAPH & TELEPHONE0 citations41
US10230457B2Mar 12, 2019

Framer and framing method

NIPPON TELEGRAPH & TELEPHONE0 citations40
US10181921B2Jan 15, 2019

Framer and framing method

NIPPON TELEGRAPH & TELEPHONE0 citations40
US10063321B2Aug 28, 2018

Framer, optical transmission device, and framing method

NIPPON TELEGRAPH & TELEPHONE0 citations40

NTT INC

8 patents

MITSUBISHI ELECTRIC CORP

3 patents

KISAKA YOSHIAKI

1 patent

OHARA TAKUYA

1 patent

SUZUKI MASAHIRO

1 patent