Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7565044 | Optical module method of manufacturing the same | Tomoyuki Akahoshi, Akio Sugama | 2009-07-21 |
| 7565047 | Optical waveguide structure, optical module and lens array | Motoyuki Nishizawa, Akio Sugama | 2009-07-21 |
| 7536066 | Semiconductor chip module | Masayuki Kato | 2009-05-19 |
| 7522788 | Optical module and method of manufacturing the same | Tomoyuki Akahoshi, Akio Sugama | 2009-04-21 |
| 7424188 | Optical module and mounting deviation compensation method for optical waveguide part | — | 2008-09-09 |
| 7283220 | Methods and apparatuses for measuring the refractive index and other optical properties of liquids, gels, and solids | Lidu Huang, Alexei Glebov, Michael G. Lee, Kishio Yokouchi | 2007-10-16 |
| 7224881 | Variable optical attenuator | Kishio Yokouchi | 2007-05-29 |
| 7171083 | One-by-N optical switch | Kishio Yokouchi, Lidu Huang | 2007-01-30 |
| 7043132 | Variable optical attenuator having a waveguide and an optically coupled layer with a power monitor | Kishio Yokouchi, Hiroshi Nagaeda, Kaoru Sugimoto, Alexei Glebov | 2006-05-09 |
| 7035524 | Variable optical attenuator | Kishio Yokouchi | 2006-04-25 |
| 7027670 | Cascaded deflectors for multi-channel optical switches, and optical switching modules and methods having cascaded deflectors | — | 2006-04-11 |
| 6917748 | Variable optical attenuator on an electro-optical layer | Alexei Glebov | 2005-07-12 |
| 6819818 | Optical switches having a common waveguide for improved switch performance | — | 2004-11-16 |
| 6397681 | Portable ultrasonic detector | Hajime Mizunoya, Yoshio Akutsu, Shigeru Miwa | 2002-06-04 |
| 6112593 | Portable non-destructive inspection device and support casing therefor | Tohru Miyata, Seigo Kikuchi, Shigeru Miwa, Hajime Mizunoya, Takenori Hiroki | 2000-09-05 |
| 6081632 | Method of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit board | Tetsuzo Yoshimura, Wataru Sotoyama, Katsusada Motoyoshi, Takeshi Ishitsuka, Koji Tsukamoto +4 more | 2000-06-27 |
| 5835646 | Active optical circuit sheet or active optical circuit board, active optical connector and optical MCM, process for fabricating optical waveguide, and devices obtained thereby | Tetsuzo Yoshimura, Wataru Sotoyama, Takeshi Ishitsuka, Koji Tsukamoto, Satoshi Tatsuura +2 more | 1998-11-10 |
| 5818983 | Optical integrated circuit, optical circuit waveguide device and process for oriented, selective growth and formation of organic film | Tetsuzo Yoshimura, Satoshi Tatsuura, Wataru Sotoyama, Yasuhiro Yoneda, Katsusada Motoyoshi +2 more | 1998-10-06 |
| 5676781 | Method of producing a multi-layered ceramic circuit board | Wataru Yamagishi | 1997-10-14 |
| 5534331 | Method of manufacturing a multi-layered ceramic circuit board containing layers of reduced dielectric constant | Hiroshi Kamezaki, Masaharu Hida, Kishio Yokouchi | 1996-07-09 |
| 5324370 | Method of manufacturing a multi-layered ceramic circuit board containing layers of reduced dielectric constant | Hiroshi Kamezaki, Masaharu Hida, Kishio Yokouchi | 1994-06-28 |
| 4939021 | Multilayer ceramic copper circuit board | Yoshihiko Imanaka | 1990-07-03 |