Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12208462 | Steel sheet assembly, method of manufacturing steel sheet assembly, and spot welding process | Hiroshi Matsuda, Yasuaki Okita, Muneo Matsushita, Rinsei Ikeda | 2025-01-28 |
| 10328518 | Resistance spot welding method | Yasuaki Okita, Chikaumi Sawanishi, Rinsei Ikeda | 2019-06-25 |
| 9677692 | Welded steel pipe joined with high-energy-density beam and method for producing the same | Koji Yano | 2017-06-13 |
| 9364921 | Method of manufacturing laser welded steel pipe | Koji Yano, Hiroyuki Sumi | 2016-06-14 |
| 9321119 | Combination welding method using combination of gas metal arc welding and submerged-arc welding and combination arc welding machine | Naoya Hayakawa, Atsushi Ishigami, Kenji Shimada, Masahiro Odaka | 2016-04-26 |
| 8993920 | Method for producing a steel pipe using a high energy density beam | Koji Yano | 2015-03-31 |
| 8955554 | Submerged arc welding method for steel plate | Atsushi Ishigami, Naoya Hayakawa | 2015-02-17 |
| 8785806 | Submerged arc welding method with multiple electrodes for steel material | Atsushi Ishigami, Naoya Hayakawa | 2014-07-22 |
| 8728257 | High tensile strength steel material having excellent delayed fracture resistance property, and method of manufacturing the same | Akihide Nagao, Kenji Hayashi | 2014-05-20 |
| 8604382 | Method for manufacturing a laser welded steel pipe | Koji Yano, Masahito Suzuki, Toshifumi Kodama, Shigeto Sakashita | 2013-12-10 |
| 8357252 | High tensile strength steel having favorable delayed fracture resistance and method for manufacturing the same | Akihide Nagao, Kenji Hayashi, Nobuo Shikanai | 2013-01-22 |
| 8220632 | Packaged absorbent product having translucent area | Nobuyuki Miki | 2012-07-17 |
| 7648597 | Method for manufacturing high tensile strength steel plate | Akihide Nagao | 2010-01-19 |
| 7317690 | Method of constructing network topology and interface circuit | Takashi Shimizu, Hirotaka Ueno, Hiroshi Takase | 2008-01-08 |
| 7233592 | Packet transfer control circuit | Takashi Shimizu, Hirotaka Ueno, Hiroshi Takase | 2007-06-19 |
| 6598096 | Device and method for controlling packet transfer | Takashi Shimizu, Hirotaka Ueno, Hiroshi Takase | 2003-07-22 |
| 6198384 | System power supply control for interface circuit | Takashi Shimizu, Hirotaka Ueno, Hiroshi Takase | 2001-03-06 |
| 5900076 | Bainitic steel materials having a less scattering of properties and method of producing the same | Tohru Hayashi, Keniti Amano, Mitsuhiro Okatsu, Fumimaru Kawabata, Tomoya Koseki +2 more | 1999-05-04 |
| 5766381 | Method of producing bainitic steel materials having a less scattering of properties | Tohru Hayashi, Keniti Amano, Mitsuhiro Okatsu, Fumimaru Kawabata, Tomoya Koseki +2 more | 1998-06-16 |