YN

Yasuo Nagamatsu

Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
Overall (All Time): #475,192 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
D303173 Vacuum cleaner Isshin Miyamoto, Yasuhiko Tanaka, Masaharu Sakamoto, Masataka Hidaka, Hideaki Sakamoto +1 more 1989-08-29
D291449 Typewriter Isshin Miyamoto, Yasuhiko Tanaka, Masataka Hidaka, Masaharu Sakamoto, Hideaki Sakamoto 1987-08-18
D291324 Typewriter Isshin Miyamoto, Yasuhiko Tanaka, Masaharu Sakamoto, Masataka Hidaka, Hideaki Sakamoto 1987-08-11
D290894 Vacuum cleaner Isshin Miyamoto, Toshiya Moriyama, Masaharu Sakamoto 1987-07-14
D290714 Combined typewriter and graphmaker Isshin Miyamoto, Toshiya Moriyama, Masaharu Sakamoto 1987-07-07
D290713 Typewriter Isshin Miyamoto, Toshiya Miroyama, Masaharu Sakamoto 1987-07-07
D290361 Printer Masaharu Sakamoto, Toshiya Moriyama, Isshin Miyamoto 1987-06-16
D289764 Printer Toshiya Moriyama, Masaharu Sakamoto, Isshin Miyamoto 1987-05-12
D280033 Vacuum cleaner Isshin Miyamoto, Toshiya Moriyama, Masaharu Sakamoto 1985-08-06
D278444 Typewriter Ishin Miyamoto, Toshiya Moriyama, Masaharu Sakamoto 1985-04-16
D278247 Typewriter Ishin Miyamoto, Toshiya Moriyama, Masaharu Sakamoto 1985-04-02