Inventor · disambiguated record
Kiyoshi Koibuchi
Also filed as: KOIBUCHI KIYOSHI
6 granted patents·81 citations·filing 1987–2011
79Inventor score
Top patents by PatentIndex Score
6 records- 0182US5366549AMethod for fabricating fiber-reinforced slag gypsum cement-based, lightweight set articlesKYOWA GIKEN·Filed 1994·Granted Nov 22, 1994·63 cites·16 claims
- 0278US8133317B2Cement additive and cement compositionHIRAO HIROSHI·Filed 2006·Granted Mar 13, 2012·9 cites·12 claims
- 0350US8647015B2Artificial multi-barrier for a radioactive waste treatment facilityNAKARAI KENICHIRO·Filed 2009·Granted Feb 11, 2014·2 cites·12 claims
- 0445US4981519AHydraulic hardening material and method of manufacturing the sameNIPPON KOKAN KK·Filed 1987·Granted Jan 1, 1991·7 cites·13 claims
- 0539US9446380B2Water-blocking filler and filler for engineered multi-barriers using said water-blocking fillerNAKARAI KENICHIRO·Filed 2011·Granted Sep 20, 2016·0 cites·3 claims
- 0637US10130966B2Masking material, method for producing masking material, and masking methodONO YOSHITOMO·Filed 2011·Granted Nov 20, 2018·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →