TH

Tetsuya Hiraji

NT NTT: 1 patents #2,911 of 4,871Top 60%
NI Nitsuko: 1 patents #31 of 78Top 40%
Overall (All Time): #3,905,648 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4935957 Key telephone system Kinzi Tanaka, Kuniaki Shimoseki, Yoshiji Tanimoto, Minoru Okumura 1990-06-19