TK

Tatsuo Kawatobi

HI Hitachi: 2 patents #336 of 2,935Top 15%
Overall (1989): #15,031 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4879742 Charging system in data communication network Hidenobu Taniguchi 1989-11-07
4875208 Transmission method for control information in communication network Koshi Furuhashi, Satoshi Miyazaki, Masakazu Furuya, Sinichi Kouyama, Jiro Kashio 1989-10-17