Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247319 | Method for producing a SiC seed crystal for growth of a SiC ingot by heat-treating in a main container made of a SiC material | Tadaaki Kaneko | 2025-03-11 |
| 12098476 | Method for producing a SiC substrate via an etching step, growth step, and peeling step | Tadaaki Kaneko | 2024-09-24 |
| 10526722 | Method for manufacturing silicon carbide single crystal | Masashi Nakabayashi, Hiroyuki Deai, Kota Shimomura, Yukio Nagahata | 2020-01-07 |
| 10202706 | Silicon carbide single crystal wafer and method of manufacturing a silicon carbide single crystal ingot | Masashi Nakabayashi, Kota Shimomura, Yukio Nagahata | 2019-02-12 |
| 10048142 | Evaluation method for bulk silicon carbide single crystals and reference silicon carbide single crystal used in said method | Masashi Nakabayashi | 2018-08-14 |
| 10031089 | Method for evaluating internal stress of silicon carbide monocrystalline wafer and method for predicting warpage in silicone carbide monocrystalline wafer | Masashi Nakabayashi, Kota Shimomura, Yukio Nagahata | 2018-07-24 |
| 5886077 | Rare-earth-iron-nitrogen based magnetic material and method of manufacturing the same | Takeshi Takahashi | 1999-03-23 |
| 5776263 | Method for producing alloy powder of the R2T17 system, a method for producing magnetic powder of the of the R2T17NX system, and a high pressure heat-treatment apparatus | Takeshi Takahashi | 1998-07-07 |
| 5751828 | Magnetic circuit unit for loud-speaker and method of manufacturing the same | Hiroshi Ueda, Kazuhiro Ohyama, Shizuo Furuyama, Masayuki Wakamiya | 1998-05-12 |
| 5718474 | Foldable chair | Takao Sugano, Nobuyuki Nagai, Sakuji Ito | 1998-02-17 |
| 5684076 | Rare earth-iron-nitrogen based magnetic material and method of manufacturing the same | Takeshi Takahashi | 1997-11-04 |
| 5634684 | Foldable chair | Takao Sugano, Nobuyuki Nagai, Sakuji Ito | 1997-06-03 |
| 5609695 | Method for producing alloy powder of the R.sub.2 T.sub.17 system, a method for producing magnetic powder of the R.sub.2 T.sub.17 N.sub.x system, and a high pressure heat-treatment apparatus | Takeshi Takahashi | 1997-03-11 |
| 5364253 | Magnetic circuit component molding device | Kazuyoshi Amami, Hiroshi Ueda, Shizuo Furuyama, Yoshihiro Hara, Kyoichi Hasegawa +1 more | 1994-11-15 |
| 5213703 | Anisotropic neodymium-iron-boron system plastic bonded magnet | Shizuo Furuyama | 1993-05-25 |
| 4443276 | Mn--Al--C Alloys for anisotropic permanent magnets | Susumu Sanai | 1984-04-17 |