Inventor · disambiguated record
Shirou Ayusawa
Also filed as: AYUSAWA SHIROU
6 granted patents·37 citations·filing 1989–1993
81Inventor score
Technology areasD05B
Top patents by PatentIndex Score
6 records- 0169US5025738ANeedle thread drawing device of a sewing machineSSMC INC·Filed 1989·Granted Jun 25, 1991·9 cites·2 claims
- 0262US5431119AThread end holding device for a sewing machineSINGER CO NV·Filed 1993·Granted Jul 11, 1995·9 cites·2 claims
- 0361US5020462ASlackened needle thread assuring unitSSMC INC·Filed 1989·Granted Jun 4, 1991·7 cites·3 claims
- 0458US5044290AWiper unit of a sewing machineSSMC INC·Filed 1989·Granted Sep 3, 1991·6 cites·1 claims
- 0548US5027732AThread end holding unitSSMC INC·Filed 1989·Granted Jul 2, 1991·4 cites·1 claims
- 0635US5255623AWiper for a sewing machineSINGER CO NV·Filed 1992·Granted Oct 26, 1993·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Shirou Ayusawa 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 →