MW

Masaru Watanabe

Sumitomo Electric Industries: 3 patents #122 of 1,892Top 7%
Overall (1994): #10,497 of 165,921Top 7%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5372320 Tape cassette Tousaku Nishiyama, Tsumoru Ohata 1994-12-13
5355271 Tape cassette with resiliently mounted tape cleaner Tousaku Nishiyama, Tsumoru Ohata, Kiyoshi Kobata 1994-10-11
5335875 Tape cassette structure Tousaku Nishiyama 1994-08-09