Inventor · disambiguated record
Masami Hirooka
Also filed as: HIROOKA MASAMI
11 granted patents·209 citations·filing 1980–2000
91Inventor score
Top patents by PatentIndex Score
11 records- 0186USD273384SEarth moving machineKUBOTA LTD·Filed 1982·Granted Apr 10, 1984·31 cites·1 claims
- 0283US6142724AFront loader attaching structureKUBOTA KK·Filed 1998·Granted Nov 7, 2000·52 cites·15 claims
- 0374US5540289AStand apparatus for use in coupling and uncoupling a front loaderKUBOTA KK·Filed 1994·Granted Jul 30, 1996·40 cites·8 claims
- 0458US4755101ADevice for removably attaching front loader to vehicleKUBOTA LTD·Filed 1987·Granted Jul 5, 1988·16 cites·10 claims
- 0552US6530741B1Self propelled vehicle with a loaderKUBOTA KK·Filed 2000·Granted Mar 11, 2003·7 cites·6 claims
- 0652US6035941ATractor with a front loaderKUBOTA KK·Filed 1998·Granted Mar 14, 2000·19 cites·9 claims
- 0745US4802814ADevice for attaching front loader to tractorKUBOTA LTD·Filed 1987·Granted Feb 7, 1989·13 cites·7 claims
- 0841US5536134AWorking implement coupling apparatusKUBOTA KK·Filed 1994·Granted Jul 16, 1996·11 cites·13 claims
- 0940US4966518AApparatus for controlling posture of front loaderKUBOTA LTD·Filed 1988·Granted Oct 30, 1990·9 cites·17 claims
- 1036US5240367AFront loader attaching and removing methodKUBOTA KK·Filed 1991·Granted Aug 31, 1993·7 cites·14 claims
- 1128US4355693AWorking vehicleKUBOTA LTD·Filed 1980·Granted Oct 26, 1982·4 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →