Inventor · disambiguated record
Ryujiro Namba
Also filed as: NAMBA RYUJIRO
4 granted patents·324 citations·filing 1986–1996
83Inventor score
Files withSHISEIDO CO LTD4
Top patents by PatentIndex Score
4 records- 0190US4801445ACosmetic compositions containing modified powder or particulate materialSHISEIDO CO LTD·Filed 1986·Granted Jan 31, 1989·94 cites·21 claims
- 0286US4882225AModified powder or particulate materialSHISEIDO CO LTD·Filed 1988·Granted Nov 21, 1989·76 cites·20 claims
- 0386US4818614AModified powderSHISEIDO CO LTD·Filed 1986·Granted Apr 4, 1989·90 cites·32 claims
- 0483US5738783ALiquid chromatograph having a micro- and semi-micro columnSHISEIDO CO LTD·Filed 1996·Granted Apr 14, 1998·64 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Ryujiro Namba 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 →