Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9108246 | Method for mixing raw material powder for powder metallurgy and method for producing raw material powder for powder metallurgy | Yoshiaki Maeda, Kiyoshi Makino, Kotaro Okawa, Ichio Sakurada, Yukiko Ozaki | 2015-08-18 |
| 6503445 | Iron-based powder composition for powder metallurgy having higher flowability and higher compactibility and process for production thereof | Yukiko Ozaki, Satoshi Uenosono | 2003-01-07 |
| 6451082 | Iron-based powder mixture for powder metallurgy, process for producing the same, and method of forming a molding from the same | Yukiko Ozaki, Satoshi Uenosono | 2002-09-17 |
| 6235076 | Iron base powder mixture for powder metallurgy excellent in fluidity and moldability, method of production thereof, and method of production of molded article by using the iron base powder mixture | Yukiko Ozaki, Satoshi Uenosono | 2001-05-22 |
| 6139600 | Method of making iron-based powder composition for powder metallurgy excellent in flow ability and compactibility | Yukiko Ozaki, Satoshi Uenosono | 2000-10-31 |
| 5989304 | Iron-based powder composition for powder metallurgy excellent in flowability and compactibility and method | Yukiko Ozaki, Satoshi Uenosono | 1999-11-23 |
| 5976215 | Iron-based powder mixture for powder metallurgy and process for preparing the same | Satoshi Uenosono, Yukiko Ozaki, Toshio Nagase, Takeo Kobayashi | 1999-11-02 |
| 5938814 | Iron based powder mixture for powder metallurgy | Satoshi Uenosono, Jibin Yang | 1999-08-17 |
| 5766304 | Iron-base powder mixture for powder metallurgy and manufacturing method therefor | Satoshi Uenosono | 1998-06-16 |
| 5599377 | Mixed iron powder for powder metallurgy | Satoshi Uenosono | 1997-02-04 |
| 5571305 | Atomized steel powder excellent machinability and sintered steel manufactured therefrom | Satoshi Uenosono, Hiroyuki Ishikawa | 1996-11-05 |
| 5534045 | Water-atomized iron powder and method | Hiroyuki Ishikawa, Yoshiaki Maeda, Kouichi Komamura | 1996-07-09 |
| 5507853 | Iron powder and mixed powder for powder metallurgy as well as method of producing iron powder | Hiroyuki Ishikawa, Takeo Omura, Yoshiaki Maeda, Minoru Nitta, Hiroshi Ohtsubo +1 more | 1996-04-16 |
| 5476534 | Iron-based powder mixture and method | Shigeaki Takajo, Hiroyuki Ishikawa, Akio Sonobe, Yoshiaki Maeda, Toshiyuki MINEGISHI | 1995-12-19 |
| 5462577 | Water-atomized iron powder and method | Hiroyuki Ishikawa, Yoshiaki Maeda, Kouichi Komamura | 1995-10-31 |
| 5458670 | Iron powder and mixed powder for powder metallurgy as well as method of producing iron powder | Hiroyuki Ishikawa, Takeo Omura, Yoshiaki Maeda, Minoru Nitta, Hiroshi Ohtsubo +1 more | 1995-10-17 |
| 5279640 | Method of making iron-based powder mixture | Shigeaki Takajo, Hiroyuki Ishikawa, Akio Sonobe, Yoshiaki Maeda, Toshiyuki MINEGISHI | 1994-01-18 |
| 4985309 | Alloyed steel powder for powder metallurgy | Junichi Oota, Teruyoshi Abe, Shigeaki Takajo | 1991-01-15 |
| 4971755 | Method for preparing powder metallurgical sintered product | Masaki Kawano, Shigeaki Takajo, Hiroshi Ohtsubo, Keisuke YOSHIMURA, Yoshiaki Maeda | 1990-11-20 |
| 4954171 | Composite alloy steel powder and sintered alloy steel | Shigeaki Takajo, Osamu Furukimi, Keiichi Maruta, Teruyoshi Abe, Ichio Sakurada | 1990-09-04 |
| 4804409 | Alloy steel powder for powder metallurgy | Masaki Kawano, Teruyoshi Abe, Shigeaki Takajo | 1989-02-14 |
| 4266974 | Alloy steel powder having excellent compressibility, moldability and heat-treatment property | Minoru Nitta, Yoshihiro Kajinaga, Ichio Sakurada, Shunji Ito | 1981-05-12 |