Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10241408 | Photosensitive resin composition, resist laminate, and cured product thereof (1) | Naoko Imaizumi, Nao Honda | 2019-03-26 |
| 10012901 | Photosensitive resin composition, resist laminate, and articles obtained by curing same (5) | Naoko Imaizumi, Nao Honda | 2018-07-03 |
| 9857685 | Photosensitive resin composition, resist laminate, cured product of photosensitive resin composition, and cured product of resist laminate (11) | Naoko Imaizumi, Yoshiyuki Ono, Takanori Koizumi, Maki Kumagai | 2018-01-02 |
| 9684239 | Photosensitive resin composition, resist laminate, and cured product thereof (2) | Naoko Imaizumi, Nao Honda | 2017-06-20 |
| 9448479 | Photosensitive resin composition, resist laminate, and articles obtained by curing same (7) | Naoko Imaizumi, Nao Honda | 2016-09-20 |
| 9411229 | Negative photosensitive resin composition and cured product of same | Nao Honda, Naoko Imaizumi, Misato Oonishi | 2016-08-09 |
| 9223212 | Photosensitive resin composition and cured product thereof | Misato Oonishi, Naoko Imaizumi, Nao Honda | 2015-12-29 |
| 8547629 | Gain and signal level adjustments of cascaded optical amplifiers | Norifumi Shukunami, Susumu Kinoshita, Hiroyuki Itou, Taiki Kobayashi | 2013-10-01 |
| 8194309 | Optical amplifier using delayed phase matching fiber | Takashi Shimizu, Tomoaki Takeyama, Keiko Sasaki | 2012-06-05 |
| 7969648 | Gain and signal level adjustments of cascaded optical amplifiers | Norifumi Shukunami, Susumu Kinoshita, Hiroyuki Itou, Taiki Kobayashi | 2011-06-28 |
| 7924499 | Gain and signal level adjustments of cascaded optical amplifiers | Norifumi Shukunami, Susumu Kinoshita, Hiroyuki Itou, Taiki Kobayashi | 2011-04-12 |
| 7729588 | Optical fiber, manufacturing method of the same, and optical amplifier | Masato Nishihara, Etsuko Hayashi | 2010-06-01 |
| 7480092 | Optical amplification method and device usable with bands other than the C-band | Susumu Kinoshita | 2009-01-20 |
| 7397981 | Apparatus and method of compensating for wavelength dispersion of optical transmission line | Hisashi Takamatsu, Kazuo Yamane, Takashi Tsuda | 2008-07-08 |
| 7330303 | Wavelength division multiplexed optical amplifier | Takashi Sato, Kazunari Tsubaki, Tomoaki Takeyama, Keiko Sasaki | 2008-02-12 |
| 7236294 | Optical amplifier | Tomoaki Takeyama, Yoshihito Onoda, Takashi Shimizu, Keiko Sasaki | 2007-06-26 |
| 7139453 | Variable dispersion compensator utilizing wavelength conversion | Tomoaki Takeyama, Keiko Sasaki | 2006-11-21 |
| 7136219 | Optical amplifier using delayed phase matching fiber | Takashi Shimizu, Tomoaki Takeyama, Keiko Sasaki | 2006-11-14 |
| 7085043 | Optical amplifier | Tomoaki Takeyama, Keiko Sasaki | 2006-08-01 |
| 7061666 | Gain and signal level adjustments of cascaded optical amplifiers | Norifumi Shukunami, Susumu Kinoshita, Hiroyuki Itou, Taiki Kobayashi | 2006-06-13 |
| 6748176 | Optical dropping apparatus and optical add/drop multiplexer | Keiko Takeda, Kaoru Moriya | 2004-06-08 |
| 6744958 | Apparatus and method of compensating for wavelength dispersion of optical transmission line | Hisashi Takamatsu, Kazuo Yamane, Takashi Tsuda | 2004-06-01 |
| 6738182 | Optical fiber amplifier | Norifumi Shukunami, Manabu Watanabe, Hisashi Takamatsu, Keiko Sasaki, Tomoaki Takeyama +3 more | 2004-05-18 |
| 6633429 | Optical amplification method and device usable with bands other than the C-band | Susumu Kinoshita | 2003-10-14 |
| 6625362 | Dispersion compensating optical fiber | Tomoaki Takeyama | 2003-09-23 |