Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7686522 | Optical coupling component for use in an optical communication connector and an optical connector using such optical coupling component | Keiji Mine, Hiroshi Nakagawa | 2010-03-30 |
| 7628546 | Optical connector | Keiji Mine, Hiroshi Nakagawa | 2009-12-08 |
| 7621676 | Optical connector | Hiroshi Nakagawa | 2009-11-24 |
| D589447 | Photoelectric-transfer connector for optical fiber | Kosuke Sasada, Hiroshi Nakagawa | 2009-03-31 |
| D584688 | Photoelectric-transfer connector for optical fiber | Kosuke Sasada, Hiroshi Nakagawa | 2009-01-13 |
| 7371015 | Connector for two-way optical communications | Naoya Takehara, Hiroshi Nakagawa | 2008-05-13 |
| 7316511 | Optical coupling component for use in an optical communication connector and an optical connector using such optical coupling component | Keiji Mine, Hiroshi Nakagawa | 2008-01-08 |
| 7244067 | Optical connector | Keiji Mine, Hiroshi Nakagawa | 2007-07-17 |
| 7242869 | Optical component and optical transmitter-receiver for use in two-way optical communication | Keiji Mine, Hiroshi Nakagawa | 2007-07-10 |
| 6910810 | Optical part for two-way optical communication | Keiji Mine, Hiroshi Nakagawa | 2005-06-28 |
| D494054 | Coupling device | Keiji Mine, Hiroshi Nakagawa | 2004-08-10 |
| 6760517 | Optical coupling device for two-way optical communications | Keiji Mine, Hiroshi Nakagawa | 2004-07-06 |
| 6576584 | Method for producing hydrotreating catalyst | Masahiko Iijima, Takao Hashimoto, Yoshinobu Okayasu | 2003-06-10 |
| 6436870 | Hydrotreating catalyst for hydrotreating hydrocarbon oils | Masahiko Iijima, Takao Hashimoto, Yoshinobu Okayasu | 2002-08-20 |
| 5905130 | Process for the production of polysilazane | Hirohiko Nakahara, Osamu Funayama | 1999-05-18 |
| 5494978 | Modified polysilazane and process for preparation thereof | Yasuo Shimizu, Yuuji Tashiro, Hiroyuki Aoki, Masaaki Ichiyama, Hayato Nishii +2 more | 1996-02-27 |
| 5459114 | Method for producing ceramic products | Hiroshi Kaya, Kiyoshi Sato, Hiroki Morozumi, Atushi Tezuka, Tomoko Aoki +2 more | 1995-10-17 |
| 5436398 | Polymetalosilazane, process of producing same, silicon nitride based ceramic, and process of preparing same | Yasuo Shimizu, Hirohiko Nakahara, Tomoko Aoki, Osamu Funayama | 1995-07-25 |
| 5292830 | Thermosetting copolymers, silicon carbide-based fiber and processes for producing same | Osamu Funayama, Tomohiro Kato, Rika Takatsu, Yuuji Tashiro, Toshihide Kishi +1 more | 1994-03-08 |
| 5166104 | Polysiloxazanes, silicon oxynitride fibers and processes for producing same | Osamu Funayama, Mikiro Arai, Hayato Nishii | 1992-11-24 |
| 5151390 | Silicon nitride-based fibers and composite material reinforced with fibers | Hiroyuki Aoki, Tadashi Suzuki, Toshio Katahata, Mutsuo Haino, Genshiro Nishimura +2 more | 1992-09-29 |
| 5145812 | Molded articles formed of silicon nitride based ceramic and process for producing same | Mikiro Arai, Osamu Funayama, Hayato Nishii, Tamio Ishiyama, Hiroshi Kaya +6 more | 1992-09-08 |
| 5128286 | Boron-containing, silicon nitride-based ceramic shaped body | Osamu Funayama, Mikiro Arai, Hiroyuki Aoki, Yuuji Tashiro, Toshio Katahata +3 more | 1992-07-07 |
| 5079323 | Polysiloxazanes, silicon oxynitride fibers and processes for producing same | Osamu Funayama, Mikiro Arai, Hayato Nishii | 1992-01-07 |
| 5032551 | Silicon nitride based ceramic fibers, process of preparing same and composite material containing same | Yuuji Tashiro, Osamu Funayama, Mikiro Arai, Hiroyuki Aoki, Hiroshihi Kaya +4 more | 1991-07-16 |