Inventor · disambiguated record
Koichi Koizumi
Also filed as: KOIZUMI KOICHI
5 granted patents·51 citations·filing 1983–2009
77Inventor score
Top patents by PatentIndex Score
5 records- 0183US4656951ARotary table unitCITIZEN WATCH CO LTD·Filed 1985·Granted Apr 14, 1987·35 cites·9 claims
- 0241US8660759B2Traveling crane operation control apparatus and methodHASHIMOTO TSUTOMU·Filed 2009·Granted Feb 25, 2014·1 cites·14 claims
- 0337US4523410AComposite guide mechanismCITIZEN WATCH CO LTD·Filed 1983·Granted Jun 18, 1985·7 cites·5 claims
- 0431US6052424AMethod of welding for fabricating double-wall structuresJAPAN ATOMIC ENERGY RES INST·Filed 1998·Granted Apr 18, 2000·6 cites·6 claims
- 0529US4528074AMethod for producing a grinding wheel by electroplatingNISSIN MACHINE WORKS·Filed 1984·Granted Jul 9, 1985·2 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Koichi Koizumi 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 →