Inventor · disambiguated record
Masatsugu Tone
Also filed as: TONE MASATSUGU
10 granted patents·235 citations·filing 1980–1992
91Inventor score
Top patents by PatentIndex Score
10 records- 0189US4304141ATractor power take-off systemKUBOTA LTD·Filed 1980·Granted Dec 8, 1981·62 cites·5 claims
- 0287US5367861ARiding lawn mowerKUBOTA KK·Filed 1992·Granted Nov 29, 1994·49 cites·6 claims
- 0377US5224327ALawn mower having a blower for transporting grass clippings to a grass catcherKUBOTA KK·Filed 1992·Granted Jul 6, 1993·35 cites·7 claims
- 0460US4373597ATractor for agricultureKUBOTA LTD·Filed 1981·Granted Feb 15, 1983·16 cites·7 claims
- 0559US5215056AEngine speed control system for a working vehicleKUBOTA KK·Filed 1992·Granted Jun 1, 1993·22 cites·5 claims
- 0653US5042604AWorking vehicleKUBOTA LTD·Filed 1989·Granted Aug 27, 1991·14 cites·6 claims
- 0753US4677866ACoupling system and double shaft transmission structure for an argicultural tractorKUBOTA LTD·Filed 1985·Granted Jul 7, 1987·15 cites·5 claims
- 0848US4903469ALawn mowerKUBOTA LTD·Filed 1987·Granted Feb 27, 1990·10 cites·7 claims
- 0937US4926624ALawn mowerKUBOTA LTD·Filed 1989·Granted May 22, 1990·6 cites·12 claims
- 1037US4323137AWork vehicleKUBOTA LTD·Filed 1980·Granted Apr 6, 1982·6 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Masatsugu Tone 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 →