Santoku Metal Industry Co., Ltd.
24Patents
0Active
24Granted
34Portfolio score
Filing activity: Feb 12, 1993 → Apr 12, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5383978A | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet | Electricity | 59 | Expired |
| US5580536A | Composite oxide having oxygen absorbing and desorbing capability and method for preparing same | Chemistry; Metallurgy | 36 | Expired |
| US5571492A | Composite oxide having oxygen absorbing and desorbing capability | Chemistry; Metallurgy | 31 | Expired |
| US5964968A | Rare earth metal-nickel hydrogen storage alloy, method for producing the same, and anode for nickel-hydrogen rechargeable battery | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5840166A | Rare earth metal-nickel hydrogen storage alloy, process for producing the same, and anode for nickel-hydrogen rechargeable battery | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5945370A | Composite oxide having oxygen absorbing and desorbing capability and method for preparing the same | Chemistry; Metallurgy | 17 | Expired |
| US5582785A | Method for preparing composite oxide having oxygen absorbing and desorbing capability | Chemistry; Metallurgy | 15 | Expired |
| US5478543A | Compound oxide having oxygen absorbing and desorbing capability and method for preparing same | Performing Operations; Transporting | 14 | Expired |
| US5980841A | Method for recovering reusable elements from rare earth-nickel alloy | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5674327A | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet | Electricity | 10 | Expired |
| US5728355A | Method for recovering reusable rare earth compounds | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5690752A | Permanent magnet containing rare earth metal, boron and iron | Electricity | 9 | Expired |
| US5478664A | Method of recovering reusable metals from nickel-hydrogen rechargeable battery | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6328817A | Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder | Electricity | 8 | Expired |
| US5817222A | Rare earth metal-nickel hydrogen storage alloy, process for producing the same, and anode for nickel-hydrogen rechargeable battery | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5470404A | Rare earth metal-nickel hydrogen occlusive alloy ingot | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6053995A | Method of producing an age precipitation-containing rare earth metal-nickel alloy | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6261517A | Rare earth metal-nickel hydrogen storage alloy, a method for producing the same, and anode for nickel-hydrogen rechargeable battery | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5961938A | Method for recovering reusable elements from rare earth-iron alloy | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5656100A | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet | Electricity | 5 | Expired |
| US5932084A | Process for producing rare earth metals | Chemistry; Metallurgy | 2 | Expired |
| US5680896A | Method for production of rare earth metal-nickel hydrogen occlusive alloy ingot | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5630885A | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet | Electricity | 1 | Expired |
| US6026995A | Apparatus and method for producing a thin solidified alloy | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.