| 10076808 |
Lead-free solder alloy |
Tsukasa Ohnishi, Shunsaku Yoshikawa, Ken Tachibana, Hikaru Nomura, Kyu Oh Lee |
2018-09-18 |
| 9844837 |
Lead-free solder alloy |
Masato Shimamura, Tsukasa Ohnishi, Mitsuhiro Kosai, Kazuyori Takagi, Tomoko Nonaka +4 more |
2017-12-19 |
| 9780055 |
Lead-free solder ball |
Ken Tachibana, Shunsaku Yoshikawa, Hikaru Nomura |
2017-10-03 |
| 9773721 |
Lead-free solder alloy, connecting member and a method for its manufacture, and electronic part |
Shunsaku Yoshikawa, Tsukasa Ohnishi, Seiko Ishibashi, Koji Watanabe, Hiroki Ishikawa +1 more |
2017-09-26 |
| 9700963 |
Lead-free solder ball |
Tsukasa Ohnishi, Ken Tachibana |
2017-07-11 |
| 9527167 |
Lead-free solder ball |
Tsukasa Ohnishi, Ken Tachibana |
2016-12-27 |
| 8975757 |
Lead-free solder connection structure and solder ball |
Minoru Ueshima, Masayuki Suzuki, Shunsaku Yoshikawa, Tokuro Yamaki, Tsukasa Ohnishi |
2015-03-10 |
| 8896119 |
Bonding material for semiconductor devices |
Yoshitsugu Sakamoto, Hiroyuki Yamada, Tsukasa Ohnishi, Shunsaku Yoshikawa, Kenzo Tadokoro |
2014-11-25 |