KW

Katsuya Watanabe

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #14,276 of 185,788Top 8%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5652743 Tracking control system with offset correction Kouichi Takamine 1997-07-29
5647944 Microwave plasma treatment apparatus Takeshi Tsubaki, Hidenori Takesue, Yoshiaki Sato, Katsuyoshi Kudo, Makoto Nawata 1997-07-15
5606536 Optical recording/reproducing apparatus with variable control Hiroshi Idehara 1997-02-25