Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8907475 | Pb-free solder-connected structure | Hanae Shimokawa, Tasao Soga, Toshiharu Ishida, Tetsuya Nakatsuka, Yoshiharu Inaba +1 more | 2014-12-09 |
| 8503189 | Pb-free solder-connected structure and electronic device | Hanae Shimokawa, Tasao Soga, Toshiharu Ishida, Tetsuya Nakatsuka, Yoshiharu Inaba +1 more | 2013-08-06 |
| 7709746 | Pb-free solder-connected structure and electronic device | Hanae Shimokawa, Tasao Soga, Toshiharu Ishida, Tetsuya Nakatsuka, Yoshiharu Inaba +1 more | 2010-05-04 |
| 7013564 | Method of producing an electronic device having a PB free solder connection | Hanae Shimokawa, Tasao Soga, Toshiharu Ishida, Tetsuya Nakatsuka, Yoshiharu Inaba +1 more | 2006-03-21 |
| 6960396 | Pb-free solder-connected structure and electronic device | Hanae Shimokawa, Tasao Soga, Toshiharu Ishida, Tetsuya Nakatsuka, Yoshiharu Inaba +1 more | 2005-11-01 |
| 5510976 | Control system | Naoki Tanaka, Hiroshi Okamoto, Masayoshi Naito, Shin-ichiro Umemura, Yasuo Morooka +1 more | 1996-04-23 |
| 5202151 | Electroless gold plating solution, method of plating with gold by using the same, and electronic device plated with gold by using the same | Jiro Ushio, Osamu Miyazawa, Akira Tomizawa, Hitoshi Yokono, Naoya Kanda +2 more | 1993-04-13 |
| 5198273 | Electroless gold plating solution and method for plating gold therewith | Setsuo Ando, Jiro Ushio, Takashi Inoue, Takeshi Shimazaki, Hitoshi Yokono | 1993-03-30 |
| 4963974 | Electronic device plated with gold by means of an electroless gold plating solution | Jiro Ushio, Osamu Miyazawa, Akira Tomizawa, Hitoshi Yokono, Naoya Kanda +2 more | 1990-10-16 |
| 4913769 | Process for preparing superconductive wiring board | Naoya Kanda, Takayoshi Sowa, Tetsuya Yamazaki | 1990-04-03 |
| 4735853 | Magnetic recording medium having an amorphous, nonmagnetic nickel-tungston-phosphorus underlayer | Hitoshi Oka, Masako Fujisawa, Yoshio Gobara, Nobuo Nakagawa | 1988-04-05 |