Issued Patents All Time
Showing 176–200 of 234 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357334 | Spectroanalyzer correcting for deterioration of transmissibility | Yoichi Ishiguro, Haruhiko Aikawa, Yoshiaki Ichige, Fumitoshi Okamoto | 1994-10-18 |
| 5337401 | Optical functioning glass and method of manufacturing same, optical fiber, waveguide device, and laser device | Masashi Onishi, Koji Nakazato, Yoshiki Chigusa, Yoshiaki Miyajima | 1994-08-09 |
| 5320659 | Method of forming a carbon coated optical fiber with co-current reactant flow | Yoichi Ishiguro, Masaharu Ooe, Kohei Kobayashi, Gotaro Tanaka | 1994-06-14 |
| 5305341 | Semiconductor laser whose active layer has an ordered structure | Yukie Nishikawa, Koichi Nitta, Genichi Hatakoshi, Masaki Okajima, Kazuhiko Itaya | 1994-04-19 |
| 5253322 | Optical functioning glass and fiber amplifier | Masashi Onishi, Yoshiki Chigusa, Koji Nakazato, Yoshiaki Miyajima, Tomoki Sugawa | 1993-10-12 |
| 5244846 | Optical functioning glass and apparatus using the same | Masashi Onishi, Koji Nakazato, Hiroo Kanamori, Yoshiaki Miyajima | 1993-09-14 |
| 5232901 | Method of producing superconducting ceramic wire having protective metal coating thereon | Masashi Onishi, Takashi Kohgo, Yoshiki Chigusa | 1993-08-03 |
| 5221309 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Hiroo Kanamori | 1993-06-22 |
| 5202895 | Semiconductor device having an active layer made of InGaAlP material | Koichi Nitta, Masayuki Ishikawa, Yukie Nishikawa, Hideto Sugawara, Masaki Okajima +1 more | 1993-04-13 |
| 5165798 | Electronic clinical thermometer with soft flexible casing | — | 1992-11-24 |
| 5158587 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Akira Urano, Yoichi Ishiguro | 1992-10-27 |
| 5083266 | Microcomputer which enters sleep mode for a predetermined period of time on response to an activity of an input/output device | — | 1992-01-21 |
| 5053068 | High pressure fluorine method for producing preform for optical fiber | Michihisa Kyoto, Akira Urano, Yoichi Ishiguro | 1991-10-01 |
| 5035484 | Method and apparatus for producing coated optical fiber | Yoichi Ishiguro, Masaharu Ooe, Kohei Kobayashi, Gotaro Tanaka | 1991-07-30 |
| 5033815 | Optical transmission fiber and process for producing the same | Takao Edahiro, Shiro Kurosaki | 1991-07-23 |
| 4979971 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Hiroo Kanamori | 1990-12-25 |
| 4976941 | Process for oxidizing carbon monoxide in exhaust gas from a sintering furnace | Takeo Tsunoda, Setsu Takeo, Tatsuya Nobusawa, Norihide Enomoto, Hiroyasu Takahashi +2 more | 1990-12-11 |
| 4975102 | Optical transmission fiber and process for producing the same | Takeo Edahiro, Shiro Kurosaki | 1990-12-04 |
| 4942482 | Automatic page-turning device | Koichiro Kakinuma | 1990-07-17 |
| 4915717 | Method of fabricating optical fiber preforms | Naoki Yoshioka, Hiroo Kanamori, Nobuo Inagaki | 1990-04-10 |
| 4902325 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Shigeru Tanaka, Motohiro Nakahara | 1990-02-20 |
| 4832720 | Method for producing multi-core optical fiber | Hiroshi Yokota, Shuzo Suzuki, Hiroshi Suganuma | 1989-05-23 |
| 4812155 | Method for production of glass preform for optical fibers | Michihisa Kyoto, Naoki Yoshioka, Gotaro Tanaka, Hiroo Kanamori, Motohiro Nakahara | 1989-03-14 |
| 4804247 | Quartz glass optical fiber | Michihisa Kyoto, Shuzo Suzuki, Motohiro Nakahara | 1989-02-14 |
| 4804393 | Methods for producing optical fiber preform and optical fiber | Koji Yano, Michihisa Kyoto, Masao Hoshikawa | 1989-02-14 |