Inventor
SAITO KOHEI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “SAITO KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
10 patentsUS11206084B2Dec 21, 2021
Dispersion compensation designing device, dispension compensation method, optical transmission system, and program
NIPPON TELEGRAPH & TELEPHONE2 citations73
US12316383B2May 27, 2025
Wavelength cross connect device, multiband transmission system, and multiband transmission method
NIPPON TELEGRAPH & TELEPHONE2 citations72
US12244346B2Mar 4, 2025
Wavelength cross connect device and wavelength cross connect method
NIPPON TELEGRAPH & TELEPHONE3 citations72
US11979226B2May 7, 2024
Wavelength cross connect device and wavelength cross connect method
NIPPON TELEGRAPH & TELEPHONE2 citations70
US12207030B2Jan 21, 2025
Optical node device, optical transport network system, optical path trace method and program
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11424824B2Aug 23, 2022
OSNR spectrum estimation apparatus, OSNR spectrum estimation method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11942755B2Mar 26, 2024
Optical transmission system and filter penalty reduction method
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11824583B2Nov 21, 2023
Cyclic wavelength band replacement device, multi-band transmission system, and cyclic wavelength band replacement method
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11329445B2May 10, 2022
Optical amplifier, optical transmission system, and optical cable failure part measurement method
NIPPON TELEGRAPH & TELEPHONE0 citations49
US9692543B2Jun 27, 2017
Optical transmission system
NIPPON TELEGRAPH & TELEPHONE0 citations40
DENSO CORP
3 patentsPANASONIC IP MAN CO LTD
3 patentsUS11742492B2Aug 29, 2023
Secondary battery positive electrode, secondary battery positive electrode current collector, and secondary battery
PANASONIC IP MAN CO LTD0 citations62
US12592395B2Mar 31, 2026
Lithium primary battery and liquid non-aqueous electrolyte for lithium primary battery
PANASONIC IP MAN CO LTD0 citations51
US12080891B2Sep 3, 2024
Positive electrode for secondary battery and secondary battery
PANASONIC IP MAN CO LTD0 citations51