Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488610 | Optical fiber unit and optical fiber cable | Naoto Ito, Ken Osato | 2019-11-26 |
| 10409022 | Method and device for producing optical fiber unit | Tomoaki Kaji, Masataka Mikami, Masayuki Ishioka, Ken Osato, Naoki Okada | 2019-09-10 |
| 10345516 | Optical fiber cable | Yoshie Sajima, Kouji Tomikawa, Ken Osato, Naoki Okada, Shinya Hamaguchi +3 more | 2019-07-09 |
| 10345545 | Method of manufacturing an optical fiber cable | Tomoaki Kaji, Masatoshi Ohno, Daiki Takeda, Ken Osato, Naoki Okada | 2019-07-09 |
| 10151898 | Former, optical fiber unit manufacturing method and optical cable manufacturing method | Tomoaki Kaji, Daiki Takeda, Satoru Shiobara | 2018-12-11 |
| 10114186 | Optical fiber cable, and method and apparatus for manufacturing optical fiber cable | Naoto Ito, Ken Osato, Naoki Okada | 2018-10-30 |
| 10087027 | Tape supplying method and tape supplying device | Daiki Takeda, Masashi Ohno, Satoru Shiobara, Naoki Okada | 2018-10-02 |
| 10078194 | Optical fiber tape manufacturing method, abnormality detection method, and manufacturing system | Yoshie Sajima, Mizuki Isaji, Ken Osato | 2018-09-18 |
| 10061096 | Optical cable | Daiki Takeda, Tomoaki Kaji, Satoru Shiobara, Naoki Okada | 2018-08-28 |
| 10007079 | Optical fiber unit and optical fiber cable | Daiki Takeda, Naoki Okada, Ken Osato, Tomoaki Kaji | 2018-06-26 |
| 9869838 | Optical fiber cable and method of manufacturing same | Tomoaki Kaji, Masatoshi Ohno, Daiki Takeda, Ken Osato, Naoki Okada | 2018-01-16 |
| 9618717 | Optical fiber unit, optical fiber branching method, and optical fiber cable | Naoto Ito, Masayuki Ishioka, Kouji Tomikawa, Ken Osato, Naoki Okada | 2017-04-11 |
| 9261664 | Optical fiber cable | Kouji Tomikawa, Naoki Okada, Daiki Takeda | 2016-02-16 |
| 8188299 | Acrylate derivatives, alcohol derivatives, and method for producing them | Kazuya Shimizu, Tatsuhiko Hayashibara, Hideharu Iwasaki | 2012-05-29 |
| 6849676 | Antistatic polyurethane elastic fiber and material for producing the same | Michihiro Shibano, Yoji Mizuhiro | 2005-02-01 |
| 6760522 | Optical cable having forming tape and rip cords | Naoki Okada, Yoshio Hashimoto, Michio Suematsu, Matsuhiro Miyamoto, Yoshiyasu Satoh +2 more | 2004-07-06 |
| 6704482 | Optical cable | Naoki Okada, Yoshio Hashimoto, Michio Suematsu, Matsuhiro Miyamoto, Yoshiyasu Satoh | 2004-03-09 |
| RE37895 | Evaporative fuel-processing system for internal combustion engines | Shigetaka Kuroda, Kazutomo Sawamura, Hiroshi Maruyama, Masataka Chikamatsu, Shoichi Nemoto +1 more | 2002-10-29 |
| 5531064 | Optical fiber cable containing ribbon fibers | Hiroyuki Sawano, Yutaka Kurosawa, Matsuhiro Miyamoto | 1996-07-02 |
| 5509268 | Combustion state-determining system and combustion state control system for internal combustion engines | Shigetaka Kuroda, Kazutomo Sawamura | 1996-04-23 |
| 5495842 | Evaporative fuel-processing system for internal combustion engines | Kazutomo Sawamura, Hiroshi Maruyama, Yasunari Seki | 1996-03-05 |
| 5485596 | Abnormality diagnostic system for evaporative fuel-processing system of internal combustion engine for vehicles | Hisashi Igarashi, Masataka Chikamatsu, Hiroshi Maruyama | 1996-01-16 |
| 5477842 | Evaporative fuel-processing system for internal combustion engines | Hiroshi Maruyama, Kazutomo Sawamura, Yasunari Seki | 1995-12-26 |
| RE35054 | Tank internal pressure-detecting device for internal combustion engines | Masataka Chikamatsu, Hiroshi Maruyama, Shigetaka Kuroda, Kazutomo Sawamura | 1995-10-10 |
| 5450834 | Evaporative fuel-processing system for internal combustion engines | Kazutomo Sawamura, Hiroshi Maruyama, Kenichi Maeda | 1995-09-19 |