Inventor · disambiguated record
Sumiaki Tsuru
Also filed as: TSURU SUMIAKI
14 granted patents·341 citations·filing 1986–1995
94Inventor score
Files withASAHI OPTICAL CO LTD6BESTEX KK3ASAHI CHEMICAL CO1KABUSHIKIGAISHA ARS JAPAN1TOA NENRYO KOGYO KK1
Top patents by PatentIndex Score
14 records- 0183US5310548ADeodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gasASAHI OPTICAL CO LTD·Filed 1992·Granted May 10, 1994·42 cites·20 claims
- 0281US5055307ASlow release drug delivery granules and process for production thereofASAHI CHEMICAL CO·Filed 1989·Granted Oct 8, 1991·81 cites·16 claims
- 0376US5085781ASeparating agent, separator and method of separating cell or virusASAHI OPTICAL CO LTD·Filed 1990·Granted Feb 4, 1992·42 cites·34 claims
- 0475US5143752AFiltering material of apatite and glucan used for surgical masks and method of making itBESTEX KK·Filed 1992·Granted Sep 1, 1992·33 cites·5 claims
- 0574US4865733ACell separator deviceTOA NENRYO KOGYO KK·Filed 1987·Granted Sep 12, 1989·27 cites·13 claims
- 0671US5098842AMedium, apparatus and method for cell separationASAHI OPTICAL CO LTD·Filed 1988·Granted Mar 24, 1992·15 cites·2 claims
- 0771US4761366AMedium, apparatus and method for cell separationASAHI OPTICAL CO LTD·Filed 1986·Granted Aug 2, 1988·15 cites·3 claims
- 0869USRE35267ESeparating agent, separator and method of separating cell or virusASAHI OPTICAL CO LTD·Filed 1994·Granted Jun 11, 1996·27 cites·34 claims
- 0953US5545240ADeodorants and gas filters thereforASAHI OPTICAL CO LTD·Filed 1995·Granted Aug 13, 1996·15 cites·7 claims
- 1053US5164186ADrug-releaserKABUSHIKIGAISHA ARS JAPAN·Filed 1990·Granted Nov 17, 1992·27 cites·5 claims
- 1141US5296254AMethod of producing a filtering materialBESTEX KK·Filed 1992·Granted Mar 22, 1994·10 cites·9 claims
- 1233US5597619AFiltering material and method of producing the sameBESTEX KK·Filed 1995·Granted Jan 28, 1997·3 cites·12 claims
- 1330US5776758ACysteine protease derived from parasitic helminthsFiled 1995·Granted Jul 7, 1998·3 cites·13 claims
- 1424US5352418AFiltering material and method of producing the sameTSURU SUMIAKI·Filed 1992·Granted Oct 4, 1994·1 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →