Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11462525 | Optical coupling device and high frequency device | Mami Fujihara, Naoya Takai, Kazuki Tanaka, Takenori Yasuzumi, Yoshio Noguchi | 2022-10-04 |
| 8679370 | Conductive coating, method for preparing a coating, roller, and method for manufacturing a roller and using a coating | John Jansen, Eiji Sawa | 2014-03-25 |
| 8419977 | Conductive coating, method for preparing a coating, roller, and method for manufacturing a roller and using a coating | John Jansen, Eiji Sawa | 2013-04-16 |
| 7962077 | Developing roller, developing apparatus comprising the developing roller, and method for providing the developing roller | John Jansen, Eiji Sawa | 2011-06-14 |
| 6646330 | Lead frame for semiconductor device, process for producing the same and semiconductor device using the same | Takashi Kubara, Hisahiro Tanaka, Matsuo Masuda | 2003-11-11 |
| 6575354 | Method for producing tin-silver alloy plating film, the tin-silver alloy plating film and lead frame for electronic parts having the film | Hisahiro Tanaka, Matsuo Masuda | 2003-06-10 |
| 6395583 | Semiconductor device with a coating of Pb-free Sn-base solder and manufacturing method therefor | Takashi Kubara, Matsuo Masuda, Hisahiro Tanaka | 2002-05-28 |
| 6087714 | Semiconductor devices having tin-based solder film containing no lead and process for producing the devices | Takashi Kubara, Matsuo Masuda, Hisahiro Tanaka | 2000-07-11 |