Tomohisa Arai
26Patents
11h-index
27Co-inventors
75Inventor score
Filing activity: Jul 21, 1987 → Aug 4, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5186765A | Cold accumulating material and method of manufacturing the same | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5219678A | Nickel-metal hydride secondary cell, and method of manufacturing the same, hydrogen absorbing alloy particles for cell, method of manufacturing the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5716462A | Magnetic material and bonded magnet | Electricity | 22 | Expired |
| US5449416A | Cold accumulating material and method of manufacturing the same | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5701306A | Semiconductor integrated circuit which can be tested by an LSI tester having a reduced number of pins | Physics | 19 | Expired |
| US6363727B1 | Cold accumulating material and cold accumulation refrigerator using the same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6003320A | Cold accumulating material for extremely low temperature cold, refrigerator using the same and heat shielding member | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4881169A | Apparatus for controlling peripheral equipment | Physics | 12 | Expired |
| US4910614A | Disk controller for a plurality of magnetic disk drives | Physics | 12 | Expired |
| US5968290A | Permanent magnet material and bonded magnet | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6460348B2 | Regenerator and cold accumulation refrigerator using the same | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4734131A | Permanent-magnetic material | Electricity | 11 | Expired |
| US5753386A | Hydrogen-absorbing alloy for battery and secondary nickel-metal hydride battery | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5022059A | Counter circuit presettable with a plurality of count values | Electricity | 10 | Expired |
| US6334909B1 | Cold-accumulating material and cold-accumulating refrigerator using the same | Electricity | 8 | Expired |
| US6290782A | Magnetic material and manufacturing method thereof, and bonded magnet using the same | Electricity | 7 | Expired |
| US6406559B2 | Magnetic material and manufacturing method thereof, and bonded magnet using the same | Electricity | 6 | Expired |
| US6317020A | Bond magnet and manufacturing method thereof, and actuator therewith | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6467277B2 | Cold accumulating material, method of manufacturing the same and refrigerator using the material | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5968289A | Permanent magnetic material and bond magnet | Electricity | 4 | Expired |
| US6468440B1 | Magnet powder and method for producing the same, and bonded magnet using the same | Electricity | 4 | Expired |
| US6546968B2 | Bond magnet and manufacturing method thereof, and actuator therewith | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6416593B2 | Magnetic material and manufacturing method thereof, and bonded magnet using the same | Electricity | 2 | Expired |
| US7740719B2 | Cutter composed of Ni-Cr alloy | Performing Operations; Transporting | 1 | Expired |
| US7682474B2 | Cutter composed of Ni-Cr-Al Alloy | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.