Inventor · disambiguated record
Tetsuo Shimoishi
Also filed as: SHIMOISHI TETSUO
4 granted patents·37 citations·filing 1977–1992
75Inventor score
Technology areasB43K
Files withTEIBOW CO LTD4
Top patents by PatentIndex Score
4 records- 0154US4362683AApparatus and method for producing a continuous nib rod for a writing instrumentTEIBOW CO LTD·Filed 1981·Granted Dec 7, 1982·14 cites·5 claims
- 0244US4795286APen tip structureTEIBOW CO LTD·Filed 1985·Granted Jan 3, 1989·10 cites·16 claims
- 0339US5238320APen nib of a writing instrumentTEIBOW CO LTD·Filed 1992·Granted Aug 24, 1993·8 cites·14 claims
- 0434US4207013AWriting instrumentTEIBOW CO LTD·Filed 1977·Granted Jun 10, 1980·5 cites·4 claims
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