Inventor · disambiguated record
Masakatsu Kumagai
Also filed as: KUMAGAI MASAKATSU
5 granted patents·176 citations·filing 1994–1995
82Inventor score
Files withTOYOTA TSUSHO CORP5
Top patents by PatentIndex Score
5 records- 0190US5394991AConductive material sorting deviceTOYOTA TSUSHO CORP·Filed 1994·Granted Mar 7, 1995·79 cites·19 claims
- 0284US5462172ANonferrous material sorting apparatusTOYOTA TSUSHO CORP·Filed 1994·Granted Oct 31, 1995·56 cites·21 claims
- 0366US5746320AFriction electrifying-type electrostatic sorting apparatusTOYOTA TSUSHO CORP·Filed 1995·Granted May 5, 1998·32 cites·21 claims
- 0435US5524767ADry fluidized bed sorting deviceTOYOTA TSUSHO CORP·Filed 1994·Granted Jun 11, 1996·6 cites·20 claims
- 0530US5560494ALoop-like material sorting deviceTOYOTA TSUSHO CORP·Filed 1995·Granted Oct 1, 1996·3 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Masakatsu Kumagai 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 →