Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605143 | Resin composition for formation of optical waveguide, resin film for formation of optical waveguide which comprises the resin composition, and optical waveguide produced using the resin composition or the resin film | Masatoshi Yamaguchi, Tatsuya Makino | 2017-03-28 |
| 8787722 | Optical waveguide | Toshihiko Takasaki, Masatoshi Yamaguchi, Toshihiro Kuroda, Tatsuya Makino, Atsushi Takahashi | 2014-07-22 |
| 8787723 | Resin composition for forming optical waveguide, resin film for forming optical waveguide, and optical waveguide | Tatsuya Makino, Toshihiko Takasaki, Atsushi Takahashi | 2014-07-22 |
| 8604096 | Photosensitive resin composition, photosensitive resin varnish, photosensitive resin film, and photosensitive resin cured product | Kouji Suzumura, Ikue Mitani, Toshihiko Takasaki, Ikuo Mukai | 2013-12-10 |
| 8538230 | Resin composition for production of clad layer, resin film for production of clad layer utilizing the resin composition, and optical waveguide and optical module each utilizing the resin composition or the resin film | Tatsuya Makino, Toshihiko Takasaki, Atsushi Takahashi | 2013-09-17 |
| 8463099 | Resin composition for optical material, resin film for optical material, and optical waveguide using them | Tatsuya Makino, Atsushi Takahashi, Masatoshi Yamaguchi, Toshihiko Takasaki, Tomoaki Shibata | 2013-06-11 |
| 8383695 | Phenoxy resin for optical material, resin composition for optical material, resin film for optical material and optical waveguide using those | Tatsuya Makino, Atsushi Takahashi, Toshihiko Takasaki, Tomoaki Shibata | 2013-02-26 |
| 8351752 | Flexible optical waveguide, method for manufacturing such flexible optical waveguide, and optical module | Tomoaki Shibata, Atsushi Takahashi, Hiroshi Masuda, Toshihiko Takasaki, Tatsuya Makino | 2013-01-08 |
| 8326110 | Flexible optical waveguide having a cladding layer composed of a resin for forming a cladding layer and a base material film | Tomoaki Shibata, Tatsuya Makino, Atsushi Takahashi, Toshihiko Takasaki | 2012-12-04 |
| 7979182 | Swing drive system for construction machine | Takatoshi Ooki, Atsushi Tanaka, Yutaka Watanabe | 2011-07-12 |
| 7751678 | Resin composition for optical material, resin film for optical material and optical waveguide using same | Tomoaki Shibata, Tatsuya Makino, Atsushi Takahashi, Toshihiko Takasaki | 2010-07-06 |
| 7660503 | Flexible optical waveguide and optical module | Tatsuya Makino, Atsushi Takahashi, Hiroshi Masuda, Toshihiko Takasaki, Tomoaki Shibata | 2010-02-09 |
| 7500360 | Hydraulic driving system of construction machinery | Tsutomu Udagawa, Kazuo Takiguchi, Takashi Yagyuu, Yukihiko Sugiyama, Mitsuo Aihara | 2009-03-10 |
| 7175155 | Control valve apparatus and pressure circuit | Kazuo Takiguchi, Tsutomu Udagawa, Katsumi Ueno, Takashi Yagyu, Yukihiko Sugiyama +1 more | 2007-02-13 |
| 6823289 | Pump trouble diagnosing device for hydraulic drive device and display device of the diagnosing device | Hirotsugu Kasuya, Yutaka Watanabe | 2004-11-23 |
| 6644629 | Overwinding prevention device for winch | Shinobu Higashi, Kazuhisa Ishida, Kouji Funato, Toshimi Sakai, Teruo Igarashi +2 more | 2003-11-11 |
| 6339929 | Swivel control apparatus | Tsutomu Udagawa, Teruo Igarashi, Toshimi Sakai, Kazuhisa Ishida, Kouji Funato | 2002-01-22 |
| 6244048 | Hydraulique drive device | Sotaro Tanaka, Gen Yasuda, Yusaku Nozawa, Hideyo Kato | 2001-06-12 |
| 6219807 | Semiconductor memory device having an ECC circuit | Nobuyuki Ebihara | 2001-04-17 |
| 6055851 | Apparatus for diagnosing failure of hydraulic pump for work machine | Yasuo Tanaka, Takashi Yagyu, Akira Hashimoto, Yoshinori Furuno, Yutaka Watanabe +1 more | 2000-05-02 |
| 5873245 | Hydraulic drive system | Hideyo Kato | 1999-02-23 |
| 5460001 | Flow control system | Hideyo Kato | 1995-10-24 |
| 5442912 | Hydraulic recovery device | Toichi Hirata, Genroku Sugiyama | 1995-08-22 |
| 5433076 | Hydraulic control valve apparatus and hydraulic drive system | Genroku Sugiyama, Toichi Hirata, Yusaku Nozawa | 1995-07-18 |
| 5421155 | Hydraulic drive system for hydraulic working machines | Toichi Hirata, Genroku Sugiyama, Koji Ishikawa | 1995-06-06 |