Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7022301 | Process for producing aluminum nitride and aluminum nitride | Hirofumi Matunaga | 2006-04-04 |
| 6986875 | Process for producing aluminum nitride and aluminum nitride | Hirofumi Matunaga, Tsutomu Tahara | 2006-01-17 |
| 6159439 | Process for producing aluminum nitride | Nagayoshi Matsubara, Masaoki Hashimoto, Junichi Yokka | 2000-12-12 |
| 6074494 | Surface nitriding method of an aluminum material, and an auxiliary agent for nitriding | Yasuhiro Yamada, Haruzo Katoh | 2000-06-13 |
| 5989734 | Aluminum product having metal diffusion layer, process for producing the same, and paste for metal diffusion treatment | Nagayoshi Matsubara, Yasuhiro Yamada, Haruzo Katoh, Takashi Watsuji | 1999-11-23 |
| 5888269 | Nitriding agent | Yasuhiro Yamada, Mamoru Okamoto, Takashi Matsufuji, Taro Tatsumi, Kazuo Fujii | 1999-03-30 |
| 5614036 | High heat resisting and high abrasion resisting aluminum alloy | Kunihiko Imahashi, Yasuhiro Yamada, Hirofumi Michioka, Jun Kusui, Akiei Tanaka | 1997-03-25 |
| 5582655 | Case nitrided aluminum product, process for case nitriding the same, and nitriding agent for the same | Yasuhiro Yamada, Mamoru Okamoto, Takashi Matsufuji, Taro Tatsumi, Kazuo Fujii | 1996-12-10 |
| 5514225 | Case nitrided aluminum product, process for case nitriding the same, and nitriding agent for the same | Yasuhiro Yamada, Mamoru Okamoto, Takashi Matsufuji, Taro Tatsumi, Kazuo Fujii | 1996-05-07 |
| 5478418 | Aluminum alloy powder for sliding members and aluminum alloy therefor | Yasuhiro Yamada, Hirohumi Michioka, Jun Kusui, Akiei Tanaka | 1995-12-26 |
| 5464463 | Heat resistant aluminum alloy powder heat resistant aluminum alloy and heat and wear resistant aluminum alloy-based composite material | Kunihiko Imahashi, Hirohumi Michioka, Yasuhiro Yamada, Jun Kusui, Akiei Tanaka | 1995-11-07 |
| 5409661 | Aluminum alloy | Kunihiko Imahashi, Yasuhiro Yamada, Hirohumi Michioka, Jun Kusui, Akiei Tanaka | 1995-04-25 |
| 5374295 | Heat resistant aluminum alloy powder, heat resistant aluminum alloy and heat and wear resistant aluminum alloy-based composite material | Kunihiko Imahashi, Yasuhiro Yamada, Hirohumi Michioka, Jun Kusui, Akiei Tanaka | 1994-12-20 |
| 5259435 | Lightweight and low thermal expansion composite material | Masaoki Hashimoto, Mamoru Okamoto, Shoichi Tsuchiya, Wataru Yagi, Masami Ishii | 1993-11-09 |
| 5202293 | Carbon fiber reinforced carbon | Mamoru Okamoto, Shoichi Tsuchiya, Yoshio Huwa, Hirohumi Michioka, Masatoshi Kubota +2 more | 1993-04-13 |
| 5169718 | Sliding member | Mamoru Okamoto, Shoichi Tsuchiya, Yoshio Fuwa, Hirohumi Michioka, Yoshiteru Nakagawa +1 more | 1992-12-08 |
| 4695319 | Metal distillation method utilizing double vaporization | Hiroshi Satoh, Toshio Natsume, Hidenori Katagiri | 1987-09-22 |
| 4626410 | Method of making composite material of matrix metal and fine metallic particles dispersed therein | Hiroshi Satou, Toshio Natsume, Hidenori Katagiri, Yoshiro Hayashi, Masahiro Taguchi | 1986-12-02 |
| 4626561 | Method of making two phase material of high molecular weight polymer and fine particles dispersed therein | Hiroshi Satou, Toshio Natsume, Hidenori Katagiri | 1986-12-02 |
| 4617055 | Metal cored ceramic surfaced fine powder material and apparatus and method for making it | Hiroshi Satou, Toshio Natsume, Hidenori Katagiri | 1986-10-14 |
| 4594101 | Fine composite powder material and method and apparatus for making the same | Hiroshi Sato, Toshio Natsume, Hidenori Katagiri | 1986-06-10 |
| 4576725 | Magnetic fluid incorporating fine magnetic powder and method for making the same | Hiroshi Satou, Hidenori Katagiri, Toshio Natsume, Hidekazu AZUMA | 1986-03-18 |
| 4533382 | Device and method for making and collecting fine metallic powder | Hiroshi Sato, Toshio Natsume, Hidenori Katagiri | 1985-08-06 |
| 4533413 | Reinforced material incorporating fine composite powder and method and apparatus for making the same | Hiroshi Sato, Toshio Natsume, Hidenori Katagiri | 1985-08-06 |
| 4533383 | Device and method for making and collecting fine alloy powder | Hiroshi Sato, Toshio Natsume, Hidenori Katagiri | 1985-08-06 |