Inventor · disambiguated record
Koushi Yamaguchi
Also filed as: YAMAGUCHI KOUSHI
23 granted patents·5 pending applications·141 citations·filing 1983–2025
95Inventor score
Top patents by PatentIndex Score
28 records- 0192US8584402B2Door opening/closing system and catch thereforYAMAGUCHI KOUSHI·Filed 2010·Granted Nov 19, 2013·23 cites·15 claims
- 0283US11541040B2Medicine for improving state of pregnancy, and use thereofYAMAGUCHI KOUSHI·Filed 2019·Granted Jan 3, 2023·1 cites·9 claims
- 0382US7497490B2Telescopic staySUGATSUNE KOGYO·Filed 2005·Granted Mar 3, 2009·13 cites·9 claims
- 0481US10143682B2Medicine for improving state of pregnancy, and use thereofYAMAGUCHI KOUSHI·Filed 2015·Granted Dec 4, 2018·3 cites·6 claims
- 0576US10494845B2Door hinge for a door and a door frameSUGATSUNE KOGYO·Filed 2015·Granted Dec 3, 2019·5 cites·3 claims
- 0672US8739468B2Door opening and closing deviceYAMAGUCHI KOUSHI·Filed 2010·Granted Jun 3, 2014·8 cites·13 claims
- 0766US4616278AInformation record disk having a unified structureSONY CORP·Filed 1983·Granted Oct 7, 1986·16 cites·7 claims
- 0866US2025255852A1Agent for improving infertility, recurrent miscarriage, and state of pregnancyYAMAGUCHI KOUSHI·Filed 2025·Application pending·0 cites
- 0964US2022062245A1Agent for improving infertility, recurrent miscarriage, and state of pregnancyYAMAGUCHI KOUSHI·Filed 2019·Application pending·0 cites
- 1063US9222291B2Toggle type fastenerKAKITA YASUYUKI·Filed 2013·Granted Dec 29, 2015·7 cites·16 claims
- 1161US2019099406A1Medicine for improving state of pregnancy, and use thereofYAMAGUCHI KOUSHI·Filed 2018·Application pending·0 cites
- 1260USD635435SDoor closerSUGATSUNE KOGYO·Filed 2010·Granted Apr 5, 2011·11 cites·1 claims
- 1360USD605926SFitting hingeSUGATSUNE KOGYO·Filed 2008·Granted Dec 15, 2009·11 cites·1 claims
- 1455US7396796B2Treatment agent, method and device for treating hazardous substancesNORITAKE CO LTD·Filed 2001·Granted Jul 8, 2008·1 cites·22 claims
- 1555US4771353AMagnetic tape cassette having a translucent rough surface on a reel flangeSONY CORP·Filed 1986·Granted Sep 13, 1988·11 cites·22 claims
- 1653US2021228551A1Therapeutic agent for humoral immunity-related diseases in maternofetal relationshipYAMAGUCHI KOUSHI·Filed 2019·Application pending·0 cites
- 1752US10837210B2Hinge and hinge bracketSUGATSUNE KOGYO·Filed 2016·Granted Nov 17, 2020·1 cites·6 claims
- 1852USD552981SStay for furnitureSUGALSUNE KOGYO CO LTD·Filed 2006·Granted Oct 16, 2007·10 cites·1 claims
- 1950US10113344B2StaySUGATSUNE KOGYO·Filed 2013·Granted Oct 30, 2018·0 cites·8 claims
- 2049US8960387B2Damper position adjusting deviceYAMAGUCHI KOUSHI·Filed 2010·Granted Feb 24, 2015·1 cites·13 claims
- 2148USD818791SHingeSUGATSUNE KOGYO·Filed 2017·Granted May 29, 2018·4 cites·1 claims
- 2245USD628458SCatcher for a door closerSUGATSUNE KOGYO·Filed 2010·Granted Dec 7, 2010·5 cites·1 claims
- 2342USD743772SHinge for buildingYAMAGUCHI KOUSHI·Filed 2013·Granted Nov 24, 2015·4 cites·1 claims
- 2441USD852608SHingeSUGATSUNE KOGYO·Filed 2017·Granted Jul 2, 2019·2 cites·1 claims
- 2540US2004248075A1Photocatalytic material that selectively inactivating biologically harmful substance and utilization thereofFiled 2002·Application pending·0 cites
- 2635USD639136SDoor closerSUGATSUNE KOGYO·Filed 2010·Granted Jun 7, 2011·2 cites·1 claims
- 2732USD553486SStay for furnitureSUGATSUNE KOGYO·Filed 2006·Granted Oct 23, 2007·1 cites·1 claims
- 2832USD552464SStay for furnitureSUGATSUNE KOGYO·Filed 2006·Granted Oct 9, 2007·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →