Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404727 | Oil-well metal pipe | Masahiro Oshima, Alexandre ANTOINE, Daniel Munoz | 2025-09-02 |
| 11493155 | Threaded connection for pipe and method for producing threaded connection for pipe | Masahiro Oshima | 2022-11-08 |
| 11408550 | Threaded connection for oil country tubular goods and method for producing threaded connection for oil country tubular goods | Masahiro Oshima | 2022-08-09 |
| 11365487 | Electroplating apparatus | Kazuya Ishii, Masahiro Oshima | 2022-06-21 |
| 11293569 | Threaded connection for pipes and method for producing threaded connection for pipes | Masahiro Oshima | 2022-04-05 |
| 11060201 | Electroplating apparatus | Kazuya Ishii, Masahiro Oshima | 2021-07-13 |
| 10370770 | Plating solution for threaded connection for pipe or tube and producing method of threaded connection for pipe or tube | Kazuya Ishii, Kunio Goto, Tatsuya Yamamoto, Masahiro Oshima, Seiichiro Nakao +1 more | 2019-08-06 |
| 10359133 | Threaded connection for pipe or tube and method of producing the threaded connection for pipe or tube | Kunio Goto | 2019-07-23 |
| 10305119 | Titanium material or titanium alloy material having surface electrical conductivity and method for producing the same, and fuel cell separator and fuel cell using the same | Kazuhiro Takahashi, Taku Kagawa, Junko IMAMURA, Kiyonori Tokuno, Atsuhiko Kuroda | 2019-05-28 |
| 10230115 | Metallic material, and conductive component including the same | Yoshitaka Nishiyama, Junko IMAMURA, Yasuhiro Masaki | 2019-03-12 |
| 10033052 | Titanium material or titanium alloy material having surface electrical conductivity, and fuel cell separator and fuel cell using the same | Kazuhiro Takahashi, Taku Kagawa, Junko IMAMURA, Kiyonori Tokuno, Atsuhiko Kuroda | 2018-07-24 |
| 9957631 | Electroplating apparatus for steel pipes | Kazuya Ishii, Masahiro Oshima, Tatsuya Yamamoto | 2018-05-01 |
| 9790610 | Electro plating device | Kazuya Ishii, Tatsuya Yamamoto | 2017-10-17 |
| 8276946 | Threaded joint for steel tubes | Kunio Goto, Masaru Takahashi, Kunihiro Fukui, Shigeo Nagasaku, Ryuichi Imai +2 more | 2012-10-02 |
| 8241439 | Ni-Cr alloy material | Manabu Kanzaki, Mitsuharu Yonemura, Shoji Kinomura, Toshihiro Imoto | 2012-08-14 |
| 7998329 | Porous nickel foil for negative electrode of alkaline battery, production method therefor and production device therefor | Toshiaki Shiota, Ryoichi Noumi, Kunihiro Fukui | 2011-08-16 |
| 6878458 | Metal foil for current collector of secondary battery and method of producing the same | Hirohisa Seto, Tadayuki Tamaki, Toshiaki Shiota, Ryoichi Noumi, Kunihiro Fukui | 2005-04-12 |
| 5618634 | Composite zinc- or zinc alloy-electroplated metal sheet and method for the production thereof | Yasushi Hosoda, Shinya Hikino, Tsutomu Yoshida, Kiyoyuki Fukui | 1997-04-08 |
| 5584428 | Process for manufacturing clad pipe | Atsushi Satoh, Hiroshi Okamoto, Kunihiro Fukui, Jun-ichi Uchida, Kazuhiro Ogawa +2 more | 1996-12-17 |
| 5356723 | Multilayer plated aluminum sheets | Tetsuaki Tsuda, Masanori Tsuji, Yoshihiko Hoboh, Hiroshi Ikeda, Takao Aimu +3 more | 1994-10-18 |