Inventor · disambiguated record
Tamotsu Nakagawa
Also filed as: NAKAGAWA TAMOTSU · WATANABE KAZUO
5 granted patents·44 citations·filing 1978–2004
78Inventor score
Files withJANOME SEWING MACHINE CO LTD5
Top patents by PatentIndex Score
5 records- 0192US4289087ASewing machine with thread-tension control systemJANOME SEWING MACHINE CO LTD·Filed 1979·Granted Sep 15, 1981·22 cites·20 claims
- 0277US6918344B2Threading device of sewing machineJANOME SEWING MACHINE CO LTD·Filed 2004·Granted Jul 19, 2005·10 cites·12 claims
- 0344US4328757AThread tension control signal output device for sewing machineJANOME SEWING MACHINE CO LTD·Filed 1980·Granted May 11, 1982·5 cites·6 claims
- 0436US4736697AFabric presser device of a sewing machineJANOME SEWING MACHINE CO LTD·Filed 1986·Granted Apr 12, 1988·3 cites·3 claims
- 0536US4181086APattern selecting system for sewing machineJANOME SEWING MACHINE CO LTD·Filed 1978·Granted Jan 1, 1980·4 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Tamotsu Nakagawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →