Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468401 | Formation of metal compound thin film and preparation of rubber composite material | Masato Yoshikawa, EngKean Sim, Hideo Sugiyama, Yukihiro Kusano | 2002-10-22 |
| 6030108 | Waterproof lighting apparatus | Minoru Ishiharada, Itsuo Tanuma, Yasuhiko Matsumuro, Takao Aoki, Kiyoshi Koyama | 2000-02-29 |
| 6013153 | Process for surface treatment of vulcanized rubber and process for production of rubber-based composite material | Hideomi Koinuma, Yukihiro Kusano, Masato Yoshikawa, Nobuko Kato | 2000-01-11 |
| 5855728 | Method for cleaning vulcanization mold | Shinji Saitoh, Shingo Ohno, Nobuko Kato, Yasuhiro Horiike | 1999-01-05 |
| 5769953 | Plasma and heating method of cleaning vulcanizing mold for ashing residue | Masato Yoshikawa, Yukihiro Kusano | 1998-06-23 |
| 5744534 | Light scattering material | Minoru Ishiharada, Itsuo Tanuma | 1998-04-28 |
| 5707701 | Resin/rubber laminate | Shinji Saitoh, Setsuo Akiyama | 1998-01-13 |
| 5697029 | Magnet developing roller with dry plated sleeve | Shinji Saitoh, Masato Yoshikawa, Kanji Inoue | 1997-12-09 |
| 5686505 | Process and apparatus for surface treatment of unvulcanized rubber sheet | Yukihiro Kusano, Mahito Fuji, Masato Yoshikawa, Fumihiro Matsuyama, Yoshio Nohara +1 more | 1997-11-11 |
| 5684913 | Optical waveguide tube and method of making | Hideo Sugiyama, Masato Sugimachi, Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma +1 more | 1997-11-04 |
| 5681611 | Light guide and method for making | Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma, Masato Sugimachi, Hideo Sugiyama | 1997-10-28 |
| 5638480 | Optical waveguide hose | Minoru Ishiharada, Itsuo Tanuma | 1997-06-10 |
| 5557702 | Light guide comprising a methacrylic or acrylic acid resin core and a fluorocarbon resin clad | Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma, Masato Sugimachi, Hideo Sugiyama | 1996-09-17 |
| 5547762 | Sandwich glasses | Hideyuki Niwa, Kiyomi Sasaki, Kyoei Yoshida, Itsuo Tanuma, Yasuhiro Morimura +1 more | 1996-08-20 |
| 5546493 | Optical waveguide | Tomoko Noguchi, Tasuku Saito, Ryo Sakurai, Minoru Ishiharada | 1996-08-13 |
| 5529631 | Apparatus for the continuous surface treatment of sheet material | Masato Yoshikawa, Yukihiro Kusano, Hideyuki Niwa, Yukio Fukuura, Satiko Okazaki +1 more | 1996-06-25 |
| 5476121 | Low permeable rubber hose | Masato Yoshikawa, Hideyuki Niwa, Yukio Fukuura | 1995-12-19 |
| 5425832 | Surface treatment of fluoropolymer members and preparation of composite products therefrom | Yukihiro Kusano, Masato Yoshikawa, Itsuo Tanuma, Yukio Fukuura, Yasuhiro Morimura +2 more | 1995-06-20 |
| 5403419 | Method for making rubbery composite materials by plating a plastic substrate with cobalt | Masato Yoshikawa, Yukio Fukuura, Setsuo Akiyama, Makoto Nakamura, Toshio Honda | 1995-04-04 |
| 5372887 | UV-ray absorbing sandwich glass comprising a specific thermosetting resin composition | Masashi Segawa, Itsuo Tanuma | 1994-12-13 |
| 5333227 | Optical waveguide hose | Minoru Ishiharada, Rikuhei Itou, Itsuo Tanuma, Yasuhiko Matsumuro, Takao Aoki +1 more | 1994-07-26 |
| 5316739 | Method and apparatus for surface treatment | Masato Yoshikawa, Yukihiro Kusano, Setsuo Akiyama, Satiko Okazaki, Masuhiro Kogoma | 1994-05-31 |
| 5290378 | Method for preparing a rubber-based composite material | Yukihiro Kusano, Masato Yoshikawa, Satiko Okazaki, Masahiro Kogoma | 1994-03-01 |
| 5286532 | Method for producing golf balls | Masato Yoshikawa, Yukihiro Kusano, Satiko Okazaki, Masuhiro Kogoma | 1994-02-15 |
| 5284543 | Method for preparing a rubber-based composite material | Yukihiro Kusano, Masato Yoshikawa | 1994-02-08 |