Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7635406 | Method for manufacturing a low alloy steel excellent in corrosion resistance | Mitsuhiro Numata, Tomohiko Omura | 2009-12-22 |
| 7393502 | Test device for analysis of a liquid sample | Akio Okubo, Atsuko Katayama, Yoshiyuki Tanaka, Masufumi Koike | 2008-07-01 |
| 7264684 | Steel for steel pipes | Mitsuhiro Numata, Tomohiko Omura | 2007-09-04 |
| 7247211 | Method of manufacture of ultra-low carbon steel | Syuji Nakai, Tatsuo Kanai, Sei Hiraki | 2007-07-24 |
| 6991762 | Device for analyzing a sample | Michio Naka, Kouji Hirayama, Masufumi Koike, Hisashi Okuda | 2006-01-31 |
| 6905653 | Ion activity measuring device and method for producing the same | — | 2005-06-14 |
| 6726782 | Ultra-low carbon steel sheet | Syuji Nakai, Tatsuo Kanai, Sei Hiraki | 2004-04-27 |
| 6540962 | Testing instrument for analyzing liquid sample | Akio Okubo, Atsuko Katayama, Yoshiyuki Tanaka, Masufumi Koike | 2003-04-01 |
| 6325975 | Suction generating device and sample analysis apparatus using the same | Michio Naka, Kouji Hirayama, Masafumi Koike, Hisashi Okuda | 2001-12-04 |
| 6194219 | Analysis element and method for preparing the same | Hisashi Sakamoto, Yoshinori Takahashi, Takehiro Yamaguchi | 2001-02-27 |
| 6180062 | Device for analyzing a sample | Michio Naka, Kouji Hirayama, Masufumi Koike, Hisashi Okuda | 2001-01-30 |
| 6022433 | Ultrasonic direct fixing of reagent layer and method for preparing peel type test piece | Minoru Ota, Yoshinori Takahashi, Takashi Tsujii | 2000-02-08 |
| 6001307 | Device for analyzing a sample | Michio Naka, Kouji Hirayama, Masufumi Koike, Hisashi Okuda | 1999-12-14 |
| 5846359 | Ultrasonic direct fixing of reagent layer and method for preparing peel type test piece | Minoru Ota, Yoshinori Takahashi, Takashi Tsujii | 1998-12-08 |