Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9764814 | Device for decelerating and reversing ship | — | 2017-09-19 |
| 7690251 | Marine reversing gear assembly | Kazuyoshi Harada, Naoyuki Oga, Hideo Misao | 2010-04-06 |
| 7364483 | Marine reversing gear assembly | Kazuyoshi Harada, Naoyuki Oga, Hideo Misao | 2008-04-29 |
| 6840682 | Connection unit, optical fiber line unit, optical cable, and optical transmission system | Toshio Oshima | 2005-01-11 |
| 6533464 | Connection unit, optical fiber line unit, optical cable, and optical transmission system | Toshio Oshima | 2003-03-18 |
| 6446469 | MCVD method with GE depletion to form a single mode optical fiber | Yuji Takahashi, Takatoshi Kato | 2002-09-10 |
| 6295843 | Method of making a single-mode optical fiber with multiple concentric core portions by using an outside vapor deposition process | Yuji Takahashi, Takatoshi Kato | 2001-10-02 |
| 6067392 | Optical fiber diffraction grating, a method of fabricating thereof and a laser light source | Toshinori Wakami, Masayuki Shigematsu, Akira Inoue, Masakazu Shigehara, Toru Iwashima | 2000-05-23 |
| 6062046 | Method of making a single-mode optical fiber with multiple concentric core portions including the RIT process | Yuji Takahashi, Takatoshi Kato | 2000-05-16 |
| 5946439 | Single-mode optical fiber | Yosuke Yamazaki, Fumiyoshi Ohkubo, Takatoshi Kato | 1999-08-31 |
| 5913005 | Single-mode optical fiber | Takatoshi Kato, Fumiyoshi Ohkubo, Yosuke Yamazaki | 1999-06-15 |
| 5822488 | Single-mode optical fiber with plural core portions | Yuji Takahashi, Takatoshi Kato | 1998-10-13 |
| 5732178 | Single-mode optical fiber | Shinji Ishikawa, Takatoshi Kato | 1998-03-24 |
| 5559921 | Single mode optical fiber | Yuji Kubo | 1996-09-24 |
| 5358218 | Method of constructing an optical wiring network | Hiroaki Sano | 1994-10-25 |
| 5328155 | Method and apparatus for laying and collecting a wire | Hiroaki Sano, Kuni Hayashi, Shigeru Tanaka | 1994-07-12 |
| 5263686 | Method and apparatus for laying and collecting a wire | Hiroaki Sano, Kuni Hayashi, Shigeru Tanaka | 1993-11-23 |
| 5163657 | Method and apparatus for laying and collecting a wire | Hiroaki Sano, Kuni Hayashi, Shigeru Tanaka | 1992-11-17 |
| 5143353 | Method for laying optical fiber unit and apparatus therefor | Hiroaki Sano, Shigeru Tanaka | 1992-09-01 |
| 5109456 | Optical fiber unit | Hiroaki Sano, Shigeru Tanaka | 1992-04-28 |
| 4997256 | Optical fiber adapted for air blown fiber installation | Hiroaki Sano, Kuni Hayashi | 1991-03-05 |
| 4952021 | Pressure transporting system | Tetsuji Aoki, Bang H. Lin | 1990-08-28 |