Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012349 | Glass fine particle deposit and method for manufacturing glass preform | Masatoshi Hayakawa, Tatsuya Konishi | 2024-06-18 |
| 9186078 | Optical fiber sheet | Kazuyuki SOHMA, Kazuhiro Kuwa, Toshifumi Hosoya, Seiko Mitachi | 2015-11-17 |
| 6625360 | Single-mode optical fibers and fabrication methods thereof | Takeshi Kyogoku, Takehiko Kito, Sumio Hoshino | 2003-09-23 |
| 6564594 | Drum type washing machine | Fumitaka Yamazaki, Shinichiro Kawabata, Kiyomi Sasano, Shuji Hashiba | 2003-05-20 |
| 6557383 | Drum type washing machine | Fumitaka Yamazaki, Shinichiro Kawabata, Kiyomi Sasano | 2003-05-06 |
| 6539753 | Drum type washing machine | Fumitaka Yamazaki, Shinichiro Kawabata, Kiyomi Sasano, Shuji Hashiba | 2003-04-01 |
| 6530245 | Drum type washing machine with drying function | Shinichiro Kawabata, Kiyomi Sasano, Fumitaka Yamazaki | 2003-03-11 |
| 6474114 | Drum type washing machine with aligning structure for rotor and stator of drive motor | Fumitaka Yamazaki | 2002-11-05 |
| 5895515 | Increasing a fluorine compound flow rate during a VAD process | Shinji Ishikawa, Sumio Hoshino | 1999-04-20 |
| 5883990 | Low transmission loss optical fiber having a grating | Eisuke Sasaoka, Masayuki Nishimura | 1999-03-16 |
| 5867618 | Optical fiber grating and method of manufacturing the same | Maki Ikeji, Tadashi Enomoto | 1999-02-02 |
| 5859944 | Optical connector | Akira Inoue, Toru Iwashima, Yoshiaki Miyajima, Shin-ichi Furukawa | 1999-01-12 |
| 5788734 | Method for drawing glass preform for optical fiber | Sumio Hoshino, Toshio Danzuka, Yuichi Ohga, Katsuzo Mukai | 1998-08-04 |
| 5790726 | Optical waveguide and process for producing it | Maki Inai, Akira Inoue, Masakazu Shigehara | 1998-08-04 |
| 5755849 | Method for elongating glass preform | Sumio Hoshino, Yuichi Ohga, Toshio Danzuka, Tatsuhiko Saito | 1998-05-26 |
| 5693115 | Process for production of glass preform for optical fiber including consolidating in a furnace with a temperature gradient | Toshio Danzuka, Yuichi Ohga, Sumio Hoshino, Ichiro Tsuchiya | 1997-12-02 |
| 5676725 | Method of manufacturing single-mode optical fiber | Sumio Hoshino, Toshio Danzuka | 1997-10-14 |
| 5627933 | Optical waveguide and process for producing it | Maki Inai, Akira Inoue, Masakazu Shigehara | 1997-05-06 |
| 5591870 | Process for producing a vanadium-phosphorus oxide catalyst precursor | Masakatsu Hatano, Masayoshi Murayama, Kenji Shima | 1997-01-07 |
| 5530144 | Process for producing a phosphorus-vanadium oxide catalyst precursor, process for producing a phosphorus-vanadium oxide catalyst, and process for producing maleic anhydride by vapor phase oxidation using the catalyst | Yasushi Tsurita, Masayoshi Murayama, Kenji Shima | 1996-06-25 |
| 5513983 | Apparatus for vitrifying soot preform for optical fiber | Ichiro Tuchiya, Toshio Danzuka, Yuichi Ohga, Sumio Hoshino | 1996-05-07 |
| RE35222 | Optical fiber component optical coupler and method of producing thereof | Sumio Hoshino, Masayuki Shigematsu, Hiroo Kanamori, Hisasi Izumita | 1996-04-30 |
| 5498731 | Oxide catalyst and process for producing maleic anhydride by using oxide catalyst | Yasushi Tsurita, Ken Shiraga | 1996-03-12 |
| 5496787 | Process for producing a vanadium-phosphorus oxide catalyst precursor | Masakatsu Hatano, Masayoshi Murayama, Kenji Shima | 1996-03-05 |
| 5470369 | Process for consolidation of porous preform for optical fiber | Ichiro Tsuchiya, Toshio Danzuka | 1995-11-28 |