Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8800323 | Method of sealing air holes in an optical fiber | Bing Yao, Kazumasa Ohsono, Masao Tachikura, Hisanori Nakai, Toshio Kurashima +2 more | 2014-08-12 |
| 8678667 | Optical connector | Yuichi Koreeda, Naoki Katagiyama, Yoshikazu Namekawa, Seiji Kojima | 2014-03-25 |
| D683705 | Guide pin for optical connector | Naoki Katagiyama, Yuichi Koreeda, Seiji Kojima, Yoshikazu Namekawa | 2013-06-04 |
| 8270795 | Hollow fiber formed using metal nano particles | Akihito Hongo, Masahiro Ohkawa, Hiroaki Takamiya | 2012-09-18 |
| 8121452 | Method for fabricating a hollow fiber | Akihito Hongo, Masahiro Ohkawa, Hiroaki Takamiya | 2012-02-21 |
| 8017960 | Infrared emitting diode and method of its manufacture | Haruhiko Watanabe, Takashi Araki | 2011-09-13 |
| 7658550 | Optical fiber, optical fiber connecting method, and optical connector | Bing Yao, Kazumasa Ohsono, Masao Tachikura, Hisanori Nakai, Toshio Kurashima +2 more | 2010-02-09 |
| 7555184 | Optical fiber, end face structure of optical fiber assembly, and optical connector | Kazumasa Ohsono, Yoshihisa Kato | 2009-06-30 |
| 7376315 | Optical fiber, optical fiber connecting method, and optical connector | Bing Yao, Kazumasa Ohsono, Masao Tachikura, Hisanori Nakai, Toshio Kurashima +2 more | 2008-05-20 |
| 7349610 | Optical fiber coiled cord | Kazumasa Ohsono, Masao Tachikura, Yoshikazu Namekawa, Kenji Kawase, Toshio Kurashima +2 more | 2008-03-25 |
| 4473483 | Magnetic toner and ink | Kenji Imamura, Motohiko Makino | 1984-09-25 |
| 4282302 | Ferrite powder type magnetic toner used in electrophotography and process for producing the same | Motohiko Makino, Kenji Imamura | 1981-08-04 |