Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12069809 | Laminated film structure and method for manufacturing laminated film structure | Kazuya SHIMADA, Masahito Hayamizu, Makoto Chakuno | 2024-08-20 |
| 11912612 | Plating film and plating film production method | Mayu Tsukuda, Toshimitsu Nagao, Junichi Katayama, Kazuya SHIMADA, Masahito Hayamizu +2 more | 2024-02-27 |
| 11825608 | Laminated film structure and method for manufacturing laminated film structure | Kazuya SHIMADA, Masahito Hayamizu, Makoto Chakuno | 2023-11-21 |
| 8447241 | Wireless communication apparatus | Yutaka Suwa, Hiroyuki Ishihara, Koji Hayashida, Akira Shibuta, Norihiro Toyomura +1 more | 2013-05-21 |
| 6631190 | Telephone system | Koichi Yamamoto | 2003-10-07 |
| 5442685 | Automatic telephone answering apparatus including conversion recording mode | Yoshihiro Shirakawa | 1995-08-15 |
| 5278896 | Automatic answering telephone apparatus | Yoshihiro Shirakawa | 1994-01-11 |