Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8247137 | Fuel cell and production of fuel cell stack | Yukihiro Maekawa, Takeharu Kuramochi, Masahiko Katsu, Takayuki Hirao, Takeshi Shimizu +7 more | 2012-08-21 |
| 7981572 | Fuel cell and production of fuel cell stack | Yukihiro Maekawa, Takeharu Kuramochi, Masahiko Katsu, Takayuki Hirao, Takeshi Shimizu +7 more | 2011-07-19 |
| 7309465 | Sintered sprocket for silent chain and production method therefor | Yukihiro Maekawa, Yutaka Mabuchi, Takashi Murata, Takashi Suzuki, Jyun-ichi Yamada +2 more | 2007-12-18 |
| 7041149 | Sintered sprocket for silent chain and production method therefor | Yukihiro Maekawa, Yutaka Mabuchi, Takashi Murata, Takashi Suzuki, Jyun-ichi Yamada +2 more | 2006-05-09 |
| 6605162 | Anisotropic magnet and process of producing the same | Hideaki Ono, Munekatsu Shimada, Norihisa Waki, Takahiko Iriyama | 2003-08-12 |
| 6562098 | Wear resistant sintered member | Hiroki Fujitsuka, Hideaki Kawata, Koichiro Hayashi, Tomonori Miyazawa, Koji Koyanagi +4 more | 2003-05-13 |
| 6488736 | Method of producing sintered metal sprocket and sprocket produced by the method | Katsuhiko Ueda, Makoto Iwakiri, Yoshimi Sugaya, Yutaka Mabuchi, Masato Yamaguchi +2 more | 2002-12-03 |
| 6382942 | Internal gear oil pump made of aluminum alloys | Masato Otsuki, Masahisa Miyahara, Makoto Yoshida, Haruo Okamoto, Hiroyuki Nishiyama +1 more | 2002-05-07 |
| 6332904 | Mixed powder metallurgy process | Toshiaki Aoki, Kazuhiro Marumoto, Masaki Yoshida, Hiroyuki Tanaka | 2001-12-25 |
| 6037067 | High temperature abrasion resistant copper alloy | Makoto Kano | 2000-03-14 |
| 5949003 | High-temperature wear-resistant sintered alloy | Yoshimasa Aoki, Kei Ishii, Koichiro Hayashi, Kouichi Aonuma, Hideaki Kawata +4 more | 1999-09-07 |
| 5859376 | Iron base sintered alloy with hard particle dispersion and method for producing same | Akiyoshi Ishibashi, Tomonori Miyazawa, Kunio Maki | 1999-01-12 |
| 5666637 | Method of manufacturing connecting rod | Hideaki Kuratomi | 1997-09-09 |
| 5554338 | Method of preparing composite sintered body | Hiroshi Sugihara, Hiroyuki Ishikawa, Tsutomu Uemura, Hiromasa Imazato, Shinichi Umino | 1996-09-10 |
| 5529602 | Sintered iron alloy resistant to abrasion at high temperature and method of manufacturing the same | Kei Ishii, Yoshimasa Aoki, Hideaki Kawata, Katsuyuki Nakamura, Kazuhiko Takahashi | 1996-06-25 |
| 5468310 | High temperature abrasion resistant copper alloy | Makoto Kano | 1995-11-21 |
| 5326526 | Sintered iron alloy composition and method of manufacturing the same | Yutaka Ikenoue, Koichiro Hayashi, Makoto Kano | 1994-07-05 |
| 5158601 | Wear-resistant iron-based sintered alloy and method | Kenzo Morita, Akiyoshi Ishibashi, Kazutoshi Takemura | 1992-10-27 |
| 5080713 | Hard alloy particle dispersion type wear resisting sintered ferro alloy and method of forming the same | Akiyoshi Ishibashi, Kazutoshi Takemura, Makoto Abe, Kimitsugu Kiso, Takaaki Ito | 1992-01-14 |
| 4966626 | Sintered ferro alloy having heat and wear resistance and process for making | Yoshiteru Yasuda, Hiroyuki Endo, Yutaka Ikenoue, Keitaro Suzuki | 1990-10-30 |
| 4933008 | Heat resistant and wear resistant iron-based sintered alloy | Yoshiteru Yasuda, Makoto Abe | 1990-06-12 |
| 4919719 | High temperature wear resistant sintered alloy | Makoto Abe, Ichiro Tanimoto, Keitaro Suzuki, Hiroyuki Endo, Yutaka Ikenoue | 1990-04-24 |
| 4844024 | Heat resistant and wear resistant iron-base sintered alloy | Yoshiteru Yasuda, Ichiro Tanimoto, Hiroyuki Endo, Yutaka Ikenoue, Keitaro Suzuki | 1989-07-04 |
| 4778522 | Wear resistant iron-base sintered alloy | Yoshihiro Maki, Makoto Kano, Ichiro Tanimoto, Hiroyuki Endo, Yukata Ikenoue +1 more | 1988-10-18 |
| 4761344 | Vehicle component part | Yoshihiro Maki, Makoto Kano, Ichiro Tanimoto | 1988-08-02 |