Inventor · disambiguated record
Hirofumi Tsutsumi
Also filed as: TSUTSUMI HIROFUMI
6 granted patents·3 pending applications·51 citations·filing 1987–2010
80Inventor score
Top patents by PatentIndex Score
9 records- 0175US8268231B2Treatment method for high-temperature exhaust gasTSUTSUMI HIROFUMI·Filed 2008·Granted Sep 18, 2012·4 cites·8 claims
- 0268US8088194B2Method for producing hot briquette iron using high-temperature reduced iron and method and apparatus for controlling temperature of reduced iron for hot formingTSUTSUMI HIROFUMI·Filed 2008·Granted Jan 3, 2012·2 cites·18 claims
- 0367US7091870B2Security system and method of security service businessNOF CORP·Filed 2002·Granted Aug 15, 2006·9 cites·9 claims
- 0461US4891570AStatic var compensator with thyristor controlHITACHI LTD·Filed 1987·Granted Jan 2, 1990·24 cites·3 claims
- 0548US6464776B1Dusting-inhibited cement composition improved in strengthASO CEMENT CO LTD·Filed 1999·Granted Oct 15, 2002·12 cites·2 claims
- 0643US6998067B2Method of dusting-preventive treatment of powder having dusting propertyTSUTSUMI HIROFUMI·Filed 2003·Granted Feb 14, 2006·0 cites·5 claims
- 0742US2003136902A1Apparatus for inspecting the inside of a container and method of inspecting the sameHITACHI LTD·Filed 2002·Application pending·0 cites
- 0839US2012214118A1Rotary hearth furnaceTATEISHI MASATAKA·Filed 2010·Application pending·0 cites
- 0938US2004048935A1Method of dusting-preventive treatment of powder having dusting propertyFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hirofumi Tsutsumi 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 →