ST

Shigehiko Takaoka

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
TC Tokyo Tungsten Co.: 3 patents #7 of 27Top 30%
Overall (All Time): #1,646,957 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5508118 Rotary anode for x-ray tube Takehiko Hayashi, Hisanori Ohara, Takashi Yoshioka 1996-04-16
5352489 Method for manufacturing a rotary anode for X-ray tube Hisanori Ohara, Hiromu Kawai, Yasuhiro Katoh 1994-10-04
5259015 Rotary anode for X-ray tube and method for manufacturing the same Hisanori Ohara, Hiromu Kawai, Yasuhiro Katoh 1993-11-02