Inventor · disambiguated record
Ryoichi Tsurutani
Also filed as: TSURUTANI RYOICHI
7 granted patents·99 citations·filing 1981–1992
85Inventor score
Files withUNITIKA LTD7
Top patents by PatentIndex Score
7 records- 0173US4374961AMethod for manufacturing heat-stable polyesters using phosphonic acid compounds with cyclic carbonates and catalystUNITIKA LTD·Filed 1981·Granted Feb 22, 1983·24 cites·6 claims
- 0271US5294546AMethod for production of a growth factor for Bifidobacterium sp.UNITIKA LTD·Filed 1991·Granted Mar 15, 1994·36 cites·14 claims
- 0363US4385170AMelt-processable copolyamides having aromatic amide unit and fibers prepared therefromUNITIKA LTD·Filed 1981·Granted May 24, 1983·19 cites·7 claims
- 0442US5098887AAngiotensin converting enzyme inhibitorUNITIKA LTD·Filed 1991·Granted Mar 24, 1992·7 cites·4 claims
- 0541US5322782AMethod of synthesizing optically active β-halolactic acidUNITIKA LTD·Filed 1992·Granted Jun 21, 1994·2 cites·9 claims
- 0637US5204107ASlow-releasing composition of platinum-containing anticancer agentUNITIKA LTD·Filed 1991·Granted Apr 20, 1993·8 cites·13 claims
- 0733US5243027AMethod of preparing angiotensin converting enzyme inhibitorsUNITIKA LTD·Filed 1991·Granted Sep 7, 1993·3 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Ryoichi Tsurutani 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 →