Issued Patents All Time
Showing 1–25 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11688823 | Photocoupler | Mami Fujihara, Naoya Takai | 2023-06-27 |
| 11462525 | Optical coupling device and high frequency device | Mami Fujihara, Naoya Takai, Kazuki Tanaka, Takenori Yasuzumi, Tsuyoshi Tokiwa | 2022-10-04 |
| 10603948 | Mechanical pencil | Tadao Odaka | 2020-03-31 |
| 10343446 | Writing instrument | Takeshi Wakayama, Hidehei Kageyama | 2019-07-09 |
| 9862225 | Liquid applying tool | Hidehei Kageyama, Sachio Arai | 2018-01-09 |
| 9853195 | Semiconductor light-emitting device and method for producing the same | Yuki Akamatsu, Masahiro Ogushi, Teruo Takeuchi, Toshihiro Kuroki, Hidenori Egoshi +3 more | 2017-12-26 |
| 9722127 | Photocoupler having light receiving element, light emitting element and MOSFET on a die pad unit of a mounting member that includes terminals with multiplied conductive regions | Mami Yamamoto | 2017-08-01 |
| 9379273 | Semiconductor device having a mounting member that includes a die pad unit and terminals with multiple conductive regions | Mami Yamamoto | 2016-06-28 |
| 9379095 | Photocoupler | Mami Yamamoto, Naoya Takai | 2016-06-28 |
| 9171969 | Mounting member having die pad unit and terminals, and photocoupler having the mounting member | Mami Yamamoto | 2015-10-27 |
| 9114922 | Knock-type propelling container | Hidehei Kageyama, Tomoaki Suzuki | 2015-08-25 |
| 9099602 | Photocoupler | Mami Yamamoto, Naoya Takai | 2015-08-04 |
| 9085841 | Needle threading device and operation unit therefor | Tomoaki Suzuki | 2015-07-21 |
| 9067233 | Stick-shaped material propelling container | Hidehei Kageyama | 2015-06-30 |
| 8920057 | Mechanical pencil | — | 2014-12-30 |
| 8740489 | Liquid applicator | Hidehei Kageyama, Yoshiyuki Sawayama | 2014-06-03 |
| 8733262 | Needle thread passing device | Juri Saito | 2014-05-27 |
| 8511925 | Liquid supply device | — | 2013-08-20 |
| 8444336 | Lead cartridge and mechanical pencil with built-in lead cartridge | Hidehei Kageyama | 2013-05-21 |
| 7850385 | Liquid supply implement | — | 2010-12-14 |
| 7373691 | Eraser dispenser | Tadashi Yamamoto | 2008-05-20 |
| 7307285 | Optical semiconductor device and a method for manufacturing the same | — | 2007-12-11 |
| 7237975 | Cartridge type liquid feeding container | — | 2007-07-03 |
| 7217054 | Side knock type feeding mechanism | — | 2007-05-15 |
| 7170099 | Optical semiconductor device and a method for manufacturing the same | — | 2007-01-30 |