Inventor · disambiguated record
Hirohisa Shimizu
Also filed as: SHIMIZU HIROHISA
22 granted patents·375 citations·filing 1998–2019
95Inventor score
Files withOOHIRO WORKS LTD16MITSUI CHEMICALS INC2YUYAMA SEISAKUSHO KK2OHIRO WORKS CO LTD1YUYAMA MFG CO LTD1
Top patents by PatentIndex Score
22 records- 0181US10470980B2Dental polymerizable monomers, compositions, adhesive dental materials and kitsMITSUI CHEMICALS INC·Filed 2016·Granted Nov 12, 2019·2 cites·4 claims
- 0277US6442340B1Hair processing accelerator with rotatably adjustable semicircular heatersOOHIRO WORKS LTD·Filed 2001·Granted Aug 27, 2002·18 cites·8 claims
- 0373US6364517B1Drug dispenser and quantity input deviceYUYAMA SEISAKUSHO KK·Filed 1998·Granted Apr 2, 2002·133 cites·4 claims
- 0472US7603197B2Medicine packing apparatusYUYAMA MFG CO LTD·Filed 2002·Granted Oct 13, 2009·11 cites·13 claims
- 0570US6679908B2Facial treatment deviceOOHIRO WORKS LTD·Filed 2000·Granted Jan 20, 2004·44 cites·1 claims
- 0668US6181982B1Drug dispenser and quantity input deviceYUYAMA SEISAKUSHO KK·Filed 1999·Granted Jan 30, 2001·96 cites·1 claims
- 0764US11110038B2Dental polymerizable monomers, compositions, adhesive dental materials and kitsMITSUI CHEMICALS INC·Filed 2019·Granted Sep 7, 2021·0 cites·4 claims
- 0860USD474562SHair processing acceleratorOOHIRO WORKS LTD·Filed 2001·Granted May 13, 2003·11 cites·1 claims
- 0959US6651674B2Hair heating device having concentric reverse reduction gearingOHIRO WORKS CO LTD·Filed 2001·Granted Nov 25, 2003·10 cites·9 claims
- 1059US6430365B1Hair processing accelerator with rotatable adjustable semicircular heatersOOHIRO WORKS LTD·Filed 2001·Granted Aug 6, 2002·4 cites·5 claims
- 1158US6367101B2Automatic hair washerOOHIRO WORKS LTD·Filed 2000·Granted Apr 9, 2002·3 cites·4 claims
- 1256US6526605B2Automatic hair washerOOHIRO WORKS LTD·Filed 2001·Granted Mar 4, 2003·2 cites·4 claims
- 1355US6243888B1Hair washerOOHIRO WORKS LTD·Filed 2000·Granted Jun 12, 2001·2 cites·1 claims
- 1447US6291051B1Waterproof sheet for hair washing and automatic hair washer using such waterproof sheetOOHIRO WORKS LTD·Filed 1999·Granted Sep 18, 2001·11 cites·2 claims
- 1544US6269492B2Automatic hair washerOOHIRO WORKS LTD·Filed 2000·Granted Aug 7, 2001·0 cites·1 claims
- 1635US6205597B1Automatic hair washerOOHIRO WORKS LTD·Filed 1999·Granted Mar 27, 2001·7 cites·2 claims
- 1733US6249922B1Automatic hair washerOOHIRO WORKS LTD·Filed 1999·Granted Jun 26, 2001·6 cites·2 claims
- 1832US6205596B1Automatic hair washerOOHIRO WORKS LTD·Filed 1999·Granted Mar 27, 2001·5 cites·2 claims
- 1931US6401272B2Hair washerOOHIRO WORKS LTD·Filed 1999·Granted Jun 11, 2002·4 cites·2 claims
- 2030US6408455B2Automatic hair washerOOHIRO WORKS LTD·Filed 1999·Granted Jun 25, 2002·1 cites·1 claims
- 2130US6233755B1Hair washerOOHIRO WORKS LTD·Filed 1999·Granted May 22, 2001·2 cites·3 claims
- 2230US6212703B1Hair washing apparatus and a neck receiving member used thereforOOHIRO WORKS LTD·Filed 1999·Granted Apr 10, 2001·3 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hirohisa Shimizu 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 →