Inventor
Futoshi Kuniyoshi
Inventor
Mishima-shi, JP
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets33%
B22FWorking metallic powder25%
C22CAlloys25%
C21DModifying the physical structure of ferrous metals5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
B30BPresses in general2%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
C23CCoating metallic material1%
F27BFurnaces, kilns, ovens or retorts in general1%
PatentTitleYear
11,062,844Method of producing R-T-B sintered magnet202111,062,843Method for producing sintered R-T-B based magnet and diffusion source202111,037,724Method for producing R-T-B sintered magnet202110,984,930Method for producing sintered R--T--B based magnet and diffusion source202110,923,256R-T-B-based sintered magnet and method for producing same202110,847,290R-T-B based sintered magnet202010,658,108Method for producing R-T-B based sintered magnet202010,639,720Diffusion treatment device and method for manufacturing R-T-B system sintered magnet using same202010,643,789Method for producing R-T-B sintered magnet202010,446,306Method for manufacturing R-T-B based sintered magnet201910,388,442R-T-B based sintered magnet and method for producing R-T-B based sintered magnet201910,242,781Method for manufacturing R-T-B based sintered magnet201910,217,562Method for manufacturing R-T-B based sintered magnet20199,837,193R-T-B sintered magnet20179,613,748'RH diffusion source, and method for producing R-T-B-based sintered magnet using same'20179,484,151'Method of producing R-T-B sintered magnet'20169,478,332'Method for producing R-T-B sintered magnet'20169,415,444'Process for production of R-T-B based sintered magnets and R-T-B based sintered magnets'20169,368,276'Method for producing R-T-B-based sintered magnets'20169,324,494'Treatment device'20169,293,252'R-T-B sintered magnet manufacturing method'20168,317,937'Alloy for sintered R-T-B-M magnet and method for producing same'20128,317,941'R-T-B-type sintered magnet and method for production thereof'20128,287,661'Method for producing R-T-B sintered magnet'20128,142,573'R-T-B sintered magnet and method for producing the same'20128,092,619'R-T-Cu-Mn-B type sintered magnet'20127,931,756'Method and machine of making rare-earth alloy granulated powder and method of making rare-earth alloy sintered body'20117,622,010'Method and apparatus for producing granulated powder of rare earth alloy and method for producing rare earth alloy sintered compact'20097,214,343'Method for producing granulated powder of R—FE—B type alloy and method for producing R—FE—B type alloy sintered compact'20077,141,126'Rare earth magnet and method for manufacturing the same'20066,969,244'Powder compacting apparatus and method of producing a rare-earth magnet using the same'20056,511,631'Powder compacting apparatus and method of producing a rare-earth magnet using the same'20036,482,353'Method for manufacturing rare earth magnet'20026,344,168'Method of producing R-Fe-B type sintered magnet, method of preparing alloy powder material for R-Fe-B type sintered magnet, and method of preserving the same'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2003Patents assigned to SUMITOMO SPEC METALS (3)· patent assignee history
2002–2005Based in Hyogo, JP· patent location history
2002–2003Based in Nishinomiya, JP· patent location history
2005–2007Patents assigned to NEOMAX CO LTD (3)· patent assignee history
2006–2017Based in Osaka, JP· patent location history
2009–2021Patents assigned to HITACHI METALS LTD (28)· patent assignee history
2012–2017Patents assigned to KUNIYOSHI FUTOSHI (12)· patent assignee history
2012Patents assigned to ISHII RINTARO (3)· patent assignee history
2012–2021Based in Mishima-shi, JP· patent location history
2020–2021Based in Minato-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI METALS LTD | 28 | 2009–2021 |
| KUNIYOSHI FUTOSHIself | 12 | 2012–2017 |
| ISHII RINTARO | 3 | 2012 |
| NEOMAX CO LTD | 3 | 2005–2007 |
| SUMITOMO SPEC METALS | 3 | 2002–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mishima-shi, JP | 12 | 2012–2021 |
| Osaka, JP | 12 | 2006–2017 |
| Minato-ku, JP | 5 | 2020–2021 |
| Hyogo, JP | 2 | 2002–2005 |
| Nishinomiya, JP | 2 | 2002–2003 |