YH

Yasuo Hamamoto

Sumitomo Electric Industries: 2 patents #257 of 1,892Top 15%
NS Nippon Steel: 1 patents #42 of 283Top 15%
📍 Kimitsu, JP: #1 of 15 inventorsTop 7%
Overall (1994): #7,403 of 165,921Top 5%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5358794 Steel strip and method for producing rolling dull roll Takaharu Kawamoto, Yasutaka Nawata, Hiromi Toyota, Shuichi Shiozawa 1994-10-25
5321518 Video signal recording and reproducing apparatus using an added specific signal during recording Hideaki Mita, Atsuo Ochi 1994-06-14
5299003 Signal processing apparatus for changing the frequency characteristics of an input signal Atsuo Ochi, Masayuki Yoneyama, Akihiro Takeuchi, Masaaki Kobayashi, Haruo Ohta 1994-03-29