Inventor

KATSUDA Hajime

JP3 patents

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

NIPPON TELEGRAPH & TELEPHONE

2 patents

US11411633B2Aug 9, 2022

Transmission device, wireless communication system, and transmission method

NIPPON TELEGRAPH & TELEPHONE1 citations59

US11368199B2Jun 21, 2022

Wireless communication system and wireless signal receiving method

NIPPON TELEGRAPH & TELEPHONE0 citations58

TOYOTA MOTOR CO LTD

1 patent

US12587487B2Mar 24, 2026

Communication control method, communication system, and transmission-side device

TOYOTA MOTOR CO LTD0 citations48