HODEN SEIMITSI KAKO KENKYUSHO CO., LTD.
26Patents
18Active
26Granted
43Portfolio score
Filing activity: Oct 9, 2003 → Apr 17, 2020 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7574891B2 | Press | Emerging Cross-Sectional Technologies | 15 | Active |
| US7293500B2 | Press | Performing Operations; Transporting | 11 | Expired |
| US7415862B2 | Press device | Performing Operations; Transporting | 9 | Expired |
| US7588801B2 | Chromium-free rust inhibitive treatment method for metal products having zinc surface and metal products treated thereby | Chemistry; Metallurgy | 6 | Active |
| US6960247B2 | Chromium-free water reducible rust inhibitive paint for metals | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8581136B2 | Method of manufacturing by electric discharge machining an impeller for centrifugal rotating machine | Emerging Cross-Sectional Technologies | 4 | Active |
| US7086327B2 | Press forming method | Performing Operations; Transporting | 3 | Expired |
| US7152444B2 | Press-forming machine | Performing Operations; Transporting | 3 | Expired |
| US7165490B2 | Press forming method | Performing Operations; Transporting | 2 | Expired |
| US7586085B2 | Photo-detection device and method | Physics | 2 | Expired |
| US7918931B2 | Chromium-free metal surface treatment agent | Emerging Cross-Sectional Technologies | 1 | Active |
| US7189465B2 | Chromium-free metal surface treatment agent | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9849498B2 | Stacking apparatus and stack manufacturing system | Emerging Cross-Sectional Technologies | 0 | Active |
| US8623503B2 | Chromium-free rust-inhibitive surface treatment agent for metal parts with zinc surfaces and metal parts with zinc surfaces coated with rust-inhibitive surface coated film | Emerging Cross-Sectional Technologies | 0 | Active |
| US10799936B2 | Press-molding system and press-molding method | Performing Operations; Transporting | 0 | Active |
| US10907053B2 | Aqueous anti-rust surface treatment composition and surface-coated metal member | Chemistry; Metallurgy | 0 | Active |
| US11179790B2 | Electrode, electrochemical machining apparatus using the electrode, electrochemical machining method, and product machined by the method | Emerging Cross-Sectional Technologies | 0 | Active |
| US11633774B2 | Machined article and pressing method | Performing Operations; Transporting | 0 | Active |
| US11407032B2 | Three-dimensional shaping apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US10661369B2 | Electrode, electrochemical machining apparatus using the electrode, electrochemical machining method, and product machined by the method | Emerging Cross-Sectional Technologies | 0 | Active |
| US8367201B2 | Chromium-free rust-inhibitive surface treatment agent for metal parts with zinc surfaces and metal parts with zinc surfaces coated with rust-inhibitive surface coated film | Emerging Cross-Sectional Technologies | 0 | Active |
| US10075049B2 | Stacking apparatus and stack manufacturing system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10369646B2 | Electrode, electrochemical machining apparatus using the electrode, electrochemical machining method, and product machined by the method | Emerging Cross-Sectional Technologies | 0 | Active |
| US9044912B2 | Operation method of electric press working machine | Performing Operations; Transporting | 0 | Active |
| US11103945B2 | Integrated impeller manufacturing method | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.