Inventor · disambiguated record
Masami Umemura
Also filed as: UMEMURA MASAMI
4 granted patents·2 pending applications·8 citations·filing 2001–2024
65Inventor score
Top patents by PatentIndex Score
6 records- 0161US8248206B2Key management boxSATO AKIHIRO·Filed 2008·Granted Aug 21, 2012·4 cites·17 claims
- 0261US2025255425A1Locker apparatusTOKAI RIKEN CO LTD·Filed 2024·Application pending·0 cites
- 0356US9053592B2Key management boxTOKAI RIKEN CO LTD·Filed 2012·Granted Jun 9, 2015·2 cites·18 claims
- 0452US2025259499A1Locker apparatusTOKAI RIKEN CO LTD·Filed 2024·Application pending·0 cites
- 0547US6648042B2Load-applying device for a double facerISOWA KK·Filed 2001·Granted Nov 18, 2003·2 cites·10 claims
- 0641US10521990B2Digital key systemTOKAI RIKEN CO LTD·Filed 2019·Granted Dec 31, 2019·0 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →