Narikazu Hashimoto
21Patents
5h-index
38Co-inventors
69Inventor score
Filing activity: Aug 26, 1999 → Sep 22, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8739909B2 | Battery frame structure for automobile | Emerging Cross-Sectional Technologies | 20 | Active |
| US6112851A | Partition wall panel | Fixed Constructions | 10 | Expired |
| US6708626B2 | Double-walled damping structure | Performing Operations; Transporting | 7 | Expired |
| US6117252A | Al--Mg based alloy sheets with good press formability | Chemistry; Metallurgy | 7 | Expired |
| US7896408B2 | Bumper structure | Performing Operations; Transporting | 5 | Active |
| US6342112B1 | A1-mg based alloy sheets with good press formability | Chemistry; Metallurgy | 4 | Expired |
| US9399437B2 | Bumper reinforcement and method for manufacturing the same | Performing Operations; Transporting | 3 | Active |
| US7658421B2 | Axial member with flange, connection member and production methods thereof | Performing Operations; Transporting | 3 | Active |
| US6221182A | Al-Mg based alloy sheets with good press formability | Chemistry; Metallurgy | 3 | Expired |
| US9371047B2 | Bumper structure and method for manufacturing bumper beam | Performing Operations; Transporting | 2 | Active |
| US9352710B2 | Anti-collision component | Performing Operations; Transporting | 2 | Active |
| US7980615B2 | Axial member with flange, connection member and production methods thereof | Performing Operations; Transporting | 2 | Active |
| US10138537B2 | 7xxx series aluminum alloy member excellent in stress corrosion cracking resistance and method for manufacturing the same | Chemistry; Metallurgy | 1 | Active |
| US11155224B2 | Bumper reinforcement for automobile | Performing Operations; Transporting | 0 | Active |
| US12122222B2 | Vehicle door beam and method for manufacturing the same | Performing Operations; Transporting | 0 | Active |
| US10144997B2 | 7xxx series aluminum alloy member excellent in stress corrosion cracking resistance and method for manufacturing the same | Chemistry; Metallurgy | 0 | Active |
| US10486511B2 | Door beam, door beam attachment structure, and method for manufacturing door beam | Performing Operations; Transporting | 0 | Active |
| US9365085B2 | Bumper reinforcement and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US9643461B2 | Structure for mounting hook bracket to bumper reinforce and bumper structure | Performing Operations; Transporting | 0 | Active |
| US12325060B2 | Method for producing frame structure | Performing Operations; Transporting | 0 | Active |
| US11318899B2 | Bumper reinforcement | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.