Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11523007 | Image reading system, image reading device, and server device | — | 2022-12-06 |
| 9969205 | Pressure fluctuation buffering mechanism and applicator | — | 2018-05-15 |
| 9796207 | Writing instrument | — | 2017-10-24 |
| 9070984 | Mobile communication device and communication control method | — | 2015-06-30 |
| 8678103 | Dozer apparatus | Shigeru Miyuki, Toshihiro Nakao | 2014-03-25 |
| 8070273 | Ink storage container | Takehiko Matsuo, Kimio Watanabe, Hiroshi Muramatsu | 2011-12-06 |
| 5749665 | Knock-type liquid applicator | Naoki Kato | 1998-05-12 |
| 5587683 | Booster circuit device | Yasunori Kuwasima, Hidehiko Tachibana, Syuji Katsuki, Akihiro Sueda | 1996-12-24 |
| D371388 | Marker | Kunio Ito, Naoki Kato | 1996-07-02 |
| 5352051 | Writing instrument | Takashi Tamura, Masamitsu Nagahama, Koichi Enuma, Yoshihiro Wada, Kazuo Sakai +1 more | 1994-10-04 |
| 5217313 | Writing instrument | Takashi Tamura, Masamitsu Nagahama, Koichi Enuma, Yoshihiro Wada, Kazuo Sakai +1 more | 1993-06-08 |
| 5148048 | CMOS output circuit having controlled slope | Kiyomitsu Takatani | 1992-09-15 |
| 5096322 | Nib for a writing instrument | Hiroyuki Shiga | 1992-03-17 |
| 5065057 | Analog signal input circuit | — | 1991-11-12 |
| 4824271 | Nib for writing instruments | Masamitsu Nagahama, Masaaki Ohsawa | 1989-04-25 |