He completed his studies at the Training Institute for Communication Technology in Osaka in 1900.
Sugimoto studied the frequency of use of kanji characters, and selected 2,400 of them for a typewriter.
The typebar then struck the character against the paper, and returned it to the grid.
The paper was held against a platen, similar to existing typewriters.
[1] On April 18, 1985, the Japan Patent Office selected him as one of Ten Japanese Great Inventors.