Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10453790 | Semiconductor package | Chang Hwa Park | 2019-10-22 |
| 9778420 | Connecting structure of optical module and optical connector | Takanori Shimizu | 2017-10-03 |
| 9628190 | Optical transmitter and optical communication device | Yutaka Urino, Masashige Ishizaka | 2017-04-18 |
| 9541718 | Photoelectric hybrid device and method for manufacturing same | Koichi Takemura, Mitsuru Kurihara, Toshinori Uemura, Akio Ukita, Kazuhiko Kurata | 2017-01-10 |
| 9206287 | Fluorene derivatives and lens using the same | Jun Young Kim, Ick Chan Shim | 2015-12-08 |
| RE45741 | Signal conversion device | Koichi Takemura | 2015-10-13 |
| RE45712 | Signal conversion device | Koichi Takemura | 2015-10-06 |
| D707193 | Signal conversion device | Koichi Takemura | 2014-06-17 |
| D706733 | Signal conversion device | Koichi Takemura | 2014-06-10 |
| 8401390 | Optical connecting apparatus | — | 2013-03-19 |
| 8315491 | Optical connector and optical coupling structure | Tomoyuki Hino, Ichiro Hatakeyama | 2012-11-20 |
| 8263714 | Epoxy resin composition, cured article thereof, semiconductor sealing material, novel phenol resin, novel epoxy resin, method for producing novel phenol resin, and method for producing novel epoxy resin | Yoshiyuki Takahashi, Kazuo Arita, Kunihiro Morinaga, Yutaka Satou | 2012-09-11 |
| 7985822 | Epoxy resin composition,cured article thereof, semiconductor sealing material, novel phenol resin, novel epoxy resin,method for producing novel phenol resin, and method for producing novel epoxy resin | Yoshiyuki Takahashi, Kazuo Arita, Kunihiro Morinaga, Yutaka Satou | 2011-07-26 |
| 7620272 | Photoelectric composite module and optical input/output device | Tomoyuki Hino, Kazuhiko Kurata, Junichi Sasaki, Ichiro Hatakeyama, Yoichi Hashimoto +1 more | 2009-11-17 |
| 7569654 | Epoxy resin composition, process for producing epoxy resin, novel epoxy resin, novel phenol resin | Nobuya Nakamura, Tomoyuki Imada | 2009-08-04 |
| 7456247 | Phenolic resin formed from a difunctional phenol and a divinyl ether | Nobuya Nakamura, Tomoyuki Imada | 2008-11-25 |
| 7365147 | Epoxy resin composition, process for producing epoxy resin, novel epoxy resin, novel phenol resin | Nobuya Nakamura, Tomoyuki Imada | 2008-04-29 |
| 7087702 | Epoxy resin composition, process for producing epoxy resin, novel epoxy resin, novel phenol resin | Nobuya Nakamura, Tomoyuki Imada | 2006-08-08 |
| 6794478 | Preparing epoxy resin by distilling two fractions to recover and reuse epihalohydrin without glycidol | Kazuo Arita | 2004-09-21 |
| 6784228 | Epoxy resin composition, cured article thereof, novel epoxy resin, novel phenol compound, and process for preparing the same | Yoshiyuki Takahashi, Tomoyuki Imada | 2004-08-31 |
| 6660811 | Epoxy resin composition and curing product thereof | Yoshiyuki Takahashi | 2003-12-09 |
| 5703898 | Surface emission laser and method of manufacturing the same | — | 1997-12-30 |
| 5677552 | Optical control circuit for an optical pnpn thyristor | — | 1997-10-14 |
| 5414282 | Semiconductor optoelectronic switch and method for driving the same | — | 1995-05-09 |
| 5375004 | Light connecting device and method of driving the same | — | 1994-12-20 |