Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7846274 | High strength steel pipe for an air bag | Miyuki Yamamoto, Takashi Takano, Kenichi Beppu, Susumu Hirano, Keisuke Hitoshio +1 more | 2010-12-07 |
| 7815755 | Seamless steel pipe and manufacturing method thereof | Yuji Arai, Nobuyuki Hisamune | 2010-10-19 |
| 7767039 | Martensitic stainless steel | Hisashi Amaya | 2010-08-03 |
| 7727463 | Steel pipe for an airbag system | Yuji Arai | 2010-06-01 |
| 7662244 | Martensitic stainless steel and method for manufacturing same | Mitsuru Yoshizawa, Masaaki Igarashi, Yuichi Komizo | 2010-02-16 |
| 7566416 | Steel pipe for an airbag inflator and a process for its manufacture | Takashi Takano, Yuji Arai, Keisuke Hitoshio | 2009-07-28 |
| 7544536 | Metal oxide dispersion for dye-sensitized solar cells, photoactive electrode and dye-sensitized solar cell | Katsumi Murofushi, Ryusuke Sato | 2009-06-09 |
| 7510782 | Boron-containing polymer compound and organic light emitting device using the same | Tsuyoshi Kato | 2009-03-31 |
| 7458426 | Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe | Yuji Arai, Hisashi Amaya, Akihito Yamane | 2008-12-02 |
| 7416617 | High strength seamless steel pipe excellent in hydrogen-induced cracking resistance | Nobutoshi Murao, Nobuyuki Hisamune, Hajime Osako | 2008-08-26 |
| 7361236 | Martensitic stainless steel | Takahiro Kushida, Yuichi Komizo, Masaaki Igarashi | 2008-04-22 |
| 7316143 | Seamless steel tubes and method for producing the same | Yuji Arai | 2008-01-08 |
| 7238434 | Welded structure having improved resistance to stress corrosion cracking | Hisashi Amaya, Kazuhiro Ogawa, Masayuki Sagara, Hiroyuki Hirata | 2007-07-03 |
| 7225868 | Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe | Yuji Arai, Hisashi Amaya, Akihito Yamane | 2007-06-05 |
| 7157788 | Metal oxide dispersion for dye-sensitized solar cells, photoactive electrode and dye-sensitized solar cell | Katsumi Murofushi, Ryusuke Sato | 2007-01-02 |
| 6878219 | High strength steel pipe for an air bag and a process for its manufacture | Miyuki Yamamoto, Takashi Takano, Kenichi Beppu, Susumu Hirano, Keisuke Hitoshio +1 more | 2005-04-12 |
| 6845166 | Plane driving type electroacoustic transducer | Akira Hara | 2005-01-18 |
| 6541364 | Bump forming method and bump forming apparatus | Hideki Mukuno, Jun Matsui, Kaoru Uchiyama, Takayuki Itsuji | 2003-04-01 |
| 6478898 | Method of producing tool steels | Tomoaki Sera, Masahide Umino, Yasutaka Okada | 2002-11-12 |
| 6479013 | Casting components made from a tool steel | Tomoaki Sera, Masahide Umino | 2002-11-12 |
| 6379821 | Martensitic stainless steel welded pipe | Takahiro Kushida, Tomohiko Omura, Kazuhiro Ogawa, Masahiko Hamada | 2002-04-30 |
| 6267828 | Low alloy steel for oil country tubular goods and method of making | Takahiro Kushida, Kaori Miyata, Tomohiko Omura | 2001-07-31 |
| 6159311 | Martensitic stainless steel pipe and method for manufacturing the same | Hisashi Amaya, Masakatsu Ueda | 2000-12-12 |
| 6129999 | High-strength welded steel structures having excellent corrosion resistance | Masakatsu Ueda, Kazuhiro Ogawa, Masaaki Igarashi | 2000-10-10 |
| 6090230 | Method of cooling a steel pipe | Kazuo Okamura, Naruhito Shouji, Michiharu Hariki | 2000-07-18 |