Ownership network
Asserters.
Every entity that has appeared as an assignee on a tracked US patent. Built from structured records extracted from each patent’s assignment-history dossier. Click any column header to sort; defaults to most cases filed. Entities markedNPE orshell LLC are flagged this way by the model from the patent dossier — known asserter lists, no products in commerce, registered-agent addresses, single-purpose Delaware/Texas LLCs. These classifications are inferences, not determinations, and may be wrong — treat an entity marked NPE or shell LLC as a possible one, to verify, not a confirmed one.
5 possible patent-rental round-trips — patents that moved A → B → A while B filed at least one infringement suit during its tenure. The round-trip is a structural pattern, not proof of intent: it can also reflect a security interest and release, a correction, or a financing deal. Flagged rows are marked below — treat them as leads to verify.
| Entity | Type | Patents now | Patents ever | Cases filed | Connections | Flags |
|---|---|---|---|---|---|---|
| TOYO SHIBAURA DENKI KABUSHIKI KAISHA | operating co | 1 | 1 | 0 | 1 | |
| Rorer Biotechnology Inc. | operating co | 1 | 1 | 0 | 1 | |
| Nippondenso Co., Ltd. and Mazda Motor Corporation | operating co | 1 | 1 | 0 | 1 | |
| HLR Technology Corporation | — | 1 | 1 | 0 | 1 | |
| AFFYMETRIX, INC. and NUVELO, INC. | operating co | 1 | 1 | 0 | 1 | |
| NUVELO, INC. | operating co | 1 | 1 | 0 | 2 | |
| Raybould Coupling Company | operating co | 1 | 1 | 0 | 1 | |
| QC Optics, Inc. | operating co | 1 | 1 | 0 | 2 | |
| Sulzer Metco (US), Inc. | operating co | 1 | 1 | 0 | 1 | |
| ERICCSON INC., NORTH CAROLINA | operating co | 1 | 1 | 0 | 1 | |
| Microsemi Storage Solutions, Inc.; Microsemi Storage Solutions (U.S.), Inc. | operating co | 1 | 1 | 0 | 1 | |
| ALPHA PRO TECH, LTD. (Canada) | operating co | 1 | 1 | 0 | 1 | |
| Rolls-Royce Corporation, State of Indiana | operating co | 1 | 1 | 0 | 1 | |
| VERDEZYNE, INC. | operating co | 1 | 1 | 0 | 1 | |
| Packet Plus, Inc. | operating co | 1 | 1 | 0 | 1 | |
| Roche Products Inc., a Panama corporation | operating co | 1 | 1 | 0 | 1 | |
| Edward A. Mallon | individual | 1 | 1 | 0 | 1 | |
| Pioneer Electronic Corporation | operating co | 1 | 1 | 0 | 1 | |
| GENERAL ELECTRIC COMPANY; A CORP OF NY | operating co | 1 | 1 | 0 | 1 | |
| Hongfujin Precision Electronics (Tianjin) Co., Ltd. | operating co | 1 | 1 | 0 | 1 |