Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083874 | Method for producing low thermal expansion Ni-base superalloy | Shigeki Ueta, Ryuichi Yamamoto, Yoshikuni Kadoya, Ryotaro Magoshi, Shin Nishimoto | 2011-12-27 |
| 7914732 | Ferritic stainless steel cast iron, cast part using the ferritic stainless steel cast iron, and process for producing the cast part | Hiroyuki Takabayashi, Shigeki Ueta, Tetsuya Shimizu | 2011-03-29 |
| 7326307 | Thermal fatigue resistant cast steel | Shigeki Ueta, Shuji Hamano | 2008-02-05 |
| 7160400 | Low thermal expansion Ni-base superalloy | Ryotaro Magoshi, Hisataka Kawai, Yoshikuni Kadoya, Ryuichi Yamamoto, Susumu Isobe +1 more | 2007-01-09 |
| 7026576 | Welding wire and welding method using the wire | Keigo Inui, Hirotaka Minamikawa | 2006-04-11 |
| 6918972 | Ni-base alloy, heat-resistant spring made of the alloy, and process for producing the spring | Shigeki Ueta | 2005-07-19 |
| 6756011 | High-strength, high corrosion-resistant and non-magnetic stainless steel | Takeshi Koga, Tetsuya Shimizu | 2004-06-29 |
| 6752883 | Free-cutting Ni-base heat-resistant alloy | Kiyohito Ishida, Katsunari Oikawa, Shigeki Ueta, Takashi Ebata | 2004-06-22 |
| 6673165 | High-hardness martensitic stainless steel excellent in corrosion resistance | Takeshi Koga, Tetsuya Shimizu | 2004-01-06 |
| 6667005 | Corrosion resistant steel | Kiyohito Ishida, Katsunari Oikawa, Takashi Ebata, Koichi Ishikawa, Tetsuya Shimizu | 2003-12-23 |
| 6582833 | Ti-base wire rod for forming molten metal | Kazuhiro Toyoda, Makoto Chujoya, Shigeo Hanajima, Takashi Suzuki, Takashi Orii +3 more | 2003-06-24 |
| 6284071 | Titanium alloy having good heat resistance and method of producing parts therefrom | Akihiro Suzuki, Michio Okabe | 2001-09-04 |
| 6193822 | Method of manufacturing diesel engine valves | Tomotaka Nagashima, Michio Okabe | 2001-02-27 |
| 6139660 | High corrosion resisting alloy for diesel engine valve and method for producing the valve | Tomotaka Nagashima, Michio Okabe, Kiyoshi Okawachi | 2000-10-31 |
| 6099668 | Heat resisting alloy for exhaust valve and method for producing the exhaust valve | Shigeki Ueta, Michio Okabe | 2000-08-08 |
| 6096262 | Martensitic heat resisting steel | Shigeki Ueta, Michio Okabe | 2000-08-01 |
| 6039919 | High corrosion resisting alloy for diesel engine valve | Tomotaka Nagashima, Michio Okabe, Kiyoshi Okawachi | 2000-03-21 |
| 6007301 | TiAl turbine rotor and method of manufacturing | Michio Okabe, Takao Shimizu | 1999-12-28 |
| 5951789 | Heat resisting alloy for exhaust valve and method for producing the exhaust valve | Shigeki Ueta, Michio Okabe | 1999-09-14 |
| 5948182 | Heat resisting steel | Shuji Hamano, Tomotaka Nagashima, Michio Okabe | 1999-09-07 |
| 5922274 | Titanium alloy having good heat resistance and method of producing parts therefrom | Akihiro Suzuki, Michio Okabe | 1999-07-13 |
| 5779972 | Heat resisting alloys, exhaust valves and knit meshes for catalyzer for exhaust gas | Michio Okabe, Katsuaki Sato, Tsutomu Saka | 1998-07-14 |
| 5567383 | Heat resisting alloys | Katsuaki Sato, Tsutomu Saka | 1996-10-22 |
| 5196162 | Ti-Al type lightweight heat-resistant materials containing Nb, Cr and Si | Kunio Maki, Mamoru Sayashi, Susumu Isobe, Tomohito Iikubo | 1993-03-23 |
| 5064112 | Jointing Ti-A1 alloy member and structural steel member | Susumu Isobe, Hiroshi Hirayama | 1991-11-12 |