Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11639735 | Fastener | — | 2023-05-02 |
| 10707189 | Light-emitting device | Hirohiko Ishii | 2020-07-07 |
| 9771628 | Duplex stainless steel and production method therefor | Daisuke Motoya, Hisashi Amaya, Hiroyuki Nagayama, Kenta Yamada | 2017-09-26 |
| 9579870 | Welded joint of duplex stainless steel | Hiroyuki Nagayama, Kenta Yamada, Daisuke Motoya, Hisashi Amaya | 2017-02-28 |
| 9555496 | Process for producing welded joint using GMA welding and CO2 as a shielding gas | Kenta Yamada, Daisuke Motoya, Shinjiro Nakatsuka, Hisashi Amaya, Hideki Takabe | 2017-01-31 |
| 9518597 | Self-tapping screw for soft metals | — | 2016-12-13 |
| D687609 | Cleaning device for optical transceiver | Nobuhiro Hashimoto, Kyoichi Sasaki, Makoto Goto | 2013-08-06 |
| 8177925 | High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof | Nobuaki Takahashi, Shuji Okaguchi, Akihiro Yamanaka, Ichirou Seta | 2012-05-15 |
| 7780800 | Method of manufacturing a bent pipe | Nobuaki Takahashi, Akio Yamamoto | 2010-08-24 |
| 7770428 | Hot bend pipe and a process for its manufacture | Nobuaki Takahashi, Akio Yamamoto | 2010-08-10 |
| 6953508 | High strength steel weld having improved resistance to cold cracking and a welding method | Tomoaki Ikeda, Akio Yamamoto, Shigemichi Yamauchi, Nobuaki Takahashi | 2005-10-11 |
| 6881133 | Method of grinding for a vertical type of double disc surface grinding machine for a brake disc | Akiyoshi Saitoh | 2005-04-19 |
| 6796761 | Bolt and nut | Hiromichi Mizuno, Tetsuya Osawa, Kazuhiro Aoyama, Mitsuru Kozawa | 2004-09-28 |
| 6379821 | Martensitic stainless steel welded pipe | Takahiro Kushida, Tomohiko Omura, Kunio Kondo, Kazuhiro Ogawa | 2002-04-30 |
| 6245290 | High-tensile-strength steel and method of manufacturing the same | Jayoung Koo, Narasimha-Rao Venkata Bangaru, Michael J. Luton, Clifford W. Petersen, Kazuki Fujiwara +2 more | 2001-06-12 |
| 6188037 | Welded high-strength steel structures and method of manufacturing the same | Yu-ichi Komizo, Takeshi Moncho | 2001-02-13 |
| 6183573 | High-toughness, high-tensile-strength steel and method of manufacturing the same | Kazuki Fujiwara, Shuji Okaguchi, Yu-ichi Komizo | 2001-02-06 |
| 6059175 | Method for joining metallic materials by diffusion bonding and joined structure thereby | Yasuto Fukada, Masakatsu Ueda, Yuuichi Komizo | 2000-05-09 |
| 6045630 | High-toughness, high-tensile-strength steel and method of manufacturing the same | Kazuki Fujiwara, Shuji Okaguchi, Yu-ichi Komizo | 2000-04-04 |
| 5946786 | Joining jig and joining member coupling method using the joining jig | Kanji Ishii, Tatsuhiko Yoshimura, Tomotsugu Sakai | 1999-09-07 |
| 5178243 | Hydraulic damper | Seiji Iwasawa, Seiji Miyazawa | 1993-01-12 |