TI

Takashi Ichiyanagi

Sumitomo Electric Industries: 3 patents #27 of 557Top 5%
Overall (1982): #3,094 of 81,411Top 4%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4363047 Rotary head assembly for magnetic recording and reproducing device Teruo Maruyama 1982-12-07
4354686 Contact-free sealing member Kiyokazu Imanishi 1982-10-19
4310130 Method and apparatus for taking up tape Kiyokazu Imanishi, Hidetoshi Kawa, Katsuyuki Yamamoto 1982-01-12