Inventor · disambiguated record
Takeshi Ichitsuka
Also filed as: ICHITSUKA TAKESHI
15 granted patents·570 citations·filing 1987–1995
95Inventor score
Top patents by PatentIndex Score
15 records- 0191US5134009AShaped article of oriented calcium phosphate type compounds, sinter thereof and processes for producing sameASAHI OPTICAL CO LTD·Filed 1989·Granted Jul 28, 1992·62 cites·4 claims
- 0285US4798585ASupport for biomedical implant deviceASAHI OPTICAL CO LTD·Filed 1987·Granted Jan 17, 1989·143 cites·17 claims
- 0381US5055307ASlow release drug delivery granules and process for production thereofASAHI CHEMICAL CO·Filed 1989·Granted Oct 8, 1991·81 cites·16 claims
- 0476US5085781ASeparating agent, separator and method of separating cell or virusASAHI OPTICAL CO LTD·Filed 1990·Granted Feb 4, 1992·42 cites·34 claims
- 0574US5651884APacking material for liquid chromatographyASAHI OPTICAL CO LTD·Filed 1995·Granted Jul 29, 1997·30 cites·2 claims
- 0674US5441635APacking material for liquid chromatographyASAHI OPTICAL CO LTD·Filed 1993·Granted Aug 15, 1995·24 cites·6 claims
- 0769USRE35267ESeparating agent, separator and method of separating cell or virusASAHI OPTICAL CO LTD·Filed 1994·Granted Jun 11, 1996·27 cites·34 claims
- 0868US6306297B1Packing material for liquid chromatography and process for producing the sameASAHI OPTICAL CO LTD·Filed 1995·Granted Oct 23, 2001·28 cites·1 claims
- 0965US5039408APacking material for liquid chromatographyASAHI OPTICAL CO LTD·Filed 1990·Granted Aug 13, 1991·23 cites·7 claims
- 1062US5064436ABone prosthetic materialASAHI OPTICAL CO LTD·Filed 1989·Granted Nov 12, 1991·48 cites·5 claims
- 1161US5089195AMethod for producing calcium phosphate-based materialASAHI OPTICAL CO LTD·Filed 1990·Granted Feb 18, 1992·22 cites·8 claims
- 1260US5240659AProcess for producing shaped article of oriented calcium phosphate type compoundASAHI KOGAKU KK·Filed 1992·Granted Aug 31, 1993·14 cites·16 claims
- 1345US4957674AMethod for producing calcium phosphate-based materialASAHI OPTICAL CO LTD·Filed 1988·Granted Sep 18, 1990·20 cites·7 claims
- 1439US5651882APacking material for liquid chromatography and process for producing the sameASAHI OPTICAL CO LTD·Filed 1995·Granted Jul 29, 1997·4 cites·5 claims
- 1532USRE35340EPacking material for liquid chromatographyASAHI OPTICAL CO LTD·Filed 1993·Granted Oct 1, 1996·2 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Takeshi Ichitsuka 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 →