Katsunari Oikawa has been granted 10 US patents while listed as an inventor at Unknown . The first was granted in 2001 and the most recent in February 2012. Katsunari Oikawa ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Katsunari Oikawa in Rifu, JP.
Patents per Year Patents granted per year, 2001 to 2012 Bar chart with a peak of 2 patents in 2004. peak 2 2001: 1 patents 2001 2003: 1 patents 2003 2004: 2 patents 2004 2007: 1 patents 2007 2008: 2 patents 2008 2010: 1 patents 2010 2011: 1 patents 2011 2012: 1 patents 2012 Issued Patents All Time
Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8124008 Free cutting steel Toshiyuki Murakami , Tetsuo Shiraga , Kiyohito Ishida 2012-02-28
8016952 Ferromagnetic shape memory alloy and its use Kiyohito Ishida , Ryosuke Kainuma , Takeshi Kanomata , Yuji Sutou 2011-09-13
7666352 Iridium-based alloy with high heat resistance and high strength and process for producing the same Kiyohito Ishida , Ryosuke Kainuma , Ikuo Ohnuma , Toshihiro Ohmori , Jun Sato 2010-02-23
7381369 Free cutting alloy Kiyohito Ishida , Takashi Ebata , Tetsuya Shimizu , Michio Okabe 2008-06-03
7371295 Shape memory alloy and method for producing same Kiyohito Ishida , Ryosuke Kainuma , Yuuki Tanaka , Masahiro Ohta , Toru Sukigara 2008-05-13
$628,000
7297214 Free cutting alloy Kiyohito Ishida , Takashi Ebata , Takayuki Inoguchi , Tetsuya Shimizu , Michio Okabe 2007-11-20
6761853 Free-cutting tool steel Kiyohito Ishida , Toshimitsu Fujii , Yukinori Matsuda , Kozo Ozaki , Seiji Kurata +1 more 2004-07-13
6752883 Free-cutting Ni-base heat-resistant alloy Kiyohito Ishida , Shigeki Ueta , Toshiharu Noda , Takashi Ebata 2004-06-22
6667005 Corrosion resistant steel Kiyohito Ishida , Takashi Ebata , Koichi Ishikawa , Toshiharu Noda , Tetsuya Shimizu 2003-12-23
6174384 Medium-carbon steel having dispersed fine graphite structure and method for the manufacture thereof Toshihiko Abe , Shin-Ichi Sumi 2001-01-16
