KW

Katsuya Watanabe

HI Hitachi: 2 patents #899 of 4,225Top 25%
Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
Overall (2003): #15,242 of 273,478Top 6%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6628580 Optical recording and reproducing apparatus Takashi Kishimoto, Takeharu Yamamoto, Tatsuya Takeuchi 2003-09-30
6567357 Optical disk apparatus Takashi Kishimoto, Yuuichi Kuze, Kenji Fujiune, Takeharu Yamamoto 2003-05-20
6558100 Vacuum processing apparatus and a vacuum processing system Hironobu Kawahara, Mitsuru Suehiro, Kazue Takahashi, Hideyuki Yamamoto 2003-05-06
6537012 Vacuum processing apparatus and a vacuum processing system Hironobu Kawahara, Mitsuru Suehiro, Kazue Takahashi, Hideyuki Yamamoto 2003-03-25