Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12071693 | Surface treatment method for copper or copper alloy, surface treatment liquid for sterilizing copper or copper alloy, and sterilization method using copper or copper alloy treated by said method | Akiko Yamamoto, Shinji Tanaka | 2024-08-27 |
| 11814712 | Free-cutting copper alloy and method for producing free-cutting copper alloy | Kouichi Suzaki, Hiroki Goto | 2023-11-14 |
| 11788173 | Free-cutting copper alloy, and manufacturing method of free-cutting copper alloy | Kouichi Suzaki, Hiroki Goto | 2023-10-17 |
| 11535939 | Surface treatment method for copper or copper alloy, surface treatment liquid for sterilizing copper or copper alloy, and sterilization method using copper or copper alloy treated by said method | Akiko Yamamoto, Shinji Tanaka | 2022-12-27 |
| 11512370 | Free-cutting copper alloy and method for producing free-cutting copper alloy | Kouichi Suzaki, Hiroki Goto | 2022-11-29 |
| 11479834 | Free-cutting copper alloy and method for manufacturing free-cutting copper alloy | Kouichi Suzaki, Hiroki Goto | 2022-10-25 |
| 11434548 | Free-cutting copper alloy and method for producing free-cutting copper alloy | Kouichi Suzaki, Shinji Tanaka, Takayuki Oka | 2022-09-06 |
| 11421302 | Free-cutting copper alloy and method for producing free-cutting copper alloy | Kouichi Suzaki, Hiroki Goto, Shinji Tanaka | 2022-08-23 |
| 11421301 | Free-cutting copper alloy casting and method for producing free-cutting copper alloy casting | Kouichi Suzaki, Shinji Tanaka, Yoshiyuki Goto | 2022-08-23 |
| 11313013 | Free-cutting copper alloy and method for producing free-cutting copper alloy | Kouichi Suzaki, Shinji Tanaka, Yoshiyuki Goto | 2022-04-26 |
| 11155909 | High-strength free-cutting copper alloy and method for producing high-strength free-cutting copper alloy | Kouichi Suzaki, Hiroki Goto | 2021-10-26 |
| 11136648 | Free-cutting copper alloy, and method for producing free-cutting copper alloy | Kouichi Suzaki, Shinji Tanaka, Yoshiyuki Goto | 2021-10-05 |
| 11131009 | High-strength free-cutting copper alloy and method for producing high-strength free-cutting copper alloy | Kouichi Suzaki, Hiroki Goto | 2021-09-28 |
| 10879538 | Oxygen evolution catalyst | Shuhei YOSHINO, Kensaku Kodama, Yoshio SAGESHIMA, Yoriko Hasegawa, Noriyuki KITAO | 2020-12-29 |
| 10570483 | Copper-based alloy casting in which grains are refined | — | 2020-02-25 |
| 10557185 | Free-cutting copper alloy, and method for producing free-cutting copper alloy | Kouichi Suzaki, Shinji Tanaka, Takayuki Oka | 2020-02-11 |
| 10538828 | Free-cutting copper alloy, and method for producing free-cutting copper alloy | Kouichi Suzaki, Shinji Tanaka, Takayuki Oka | 2020-01-21 |
| 10538827 | Free-cutting copper alloy casting, and method for producing free-cutting copper alloy casting | Kouichi Suzaki, Shinji Tanaka, Yoshiyuki Goto | 2020-01-21 |
| 10311991 | High-strength and high-electrical conductivity copper alloy rolled sheet and method of manufacturing the same | — | 2019-06-04 |
| 10266917 | Heat resistance copper alloy materials | — | 2019-04-23 |
| 10163539 | High strength and high conductivity copper alloy rod or wire | Kazumasa Hori | 2018-12-25 |
| 10155289 | Pressure resistant and corrosion resistant copper alloy, brazed structure, and method of manufacturing brazed structure | — | 2018-12-18 |
| 10020088 | Copper-alloy plate for terminal/connector material, and method for producing copper-alloy plate for terminal/connector material | Takashi Hokazono, Michio Takasaki, Yosuke Nakasato | 2018-07-10 |
| 10017841 | Copper alloy casting and method of casting the same | — | 2018-07-10 |
| 9970081 | Copper alloy and copper alloy sheet | Yosuke Nakasato, Takashi Hokazono | 2018-05-15 |