Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048841 | Spray-type bleaching agent | Yoshiyuki Watanabe, Yosuke Komatsu, Masafumi Shioji | 2011-11-01 |
| 7544649 | Antifouling detergent for hard surfaces | Yosuke Komatsu, Kazunori Tsukuda, Seiichi Miyanaga, Kenichi Shiba | 2009-06-09 |
| 7501387 | Antifouling detergent for hard surfaces | Yosuke Komatsu, Kazunori Tsukuda, Seiichi Miyanaga, Kenichi Shiba | 2009-03-10 |
| 7358158 | Wafer machining adhesive tape, and its manufacturing method and using method | Hitoshi Koga | 2008-04-15 |
| 5695911 | Optical recording medium | Hisato Itoh, Akio Karasawa, Kenichi Sugimoto, Takahisa Oguchi | 1997-12-09 |
| 5633106 | Optical recording media and a method of recording and reproducing information | Hideki Umehara, Masatoshi Yanagimachi, Yoshiteru Taniguchi, Sumio Hirose | 1997-05-27 |
| 5573831 | Optical recording medium | Yuko Suzuki, Sumio Hirose | 1996-11-12 |
| 5446142 | Phthalocyanine and naphthalocyanine light-absorbing compound and optical recording medium containing same | Hisato Itoh, Takahisa Oguchi, Kenichi Sugimoto, Ryu Oi, Hideki Umehara | 1995-08-29 |
| 5422226 | Optical recording medium | Yuko Suzuki, Sumio Hirose | 1995-06-06 |
| 5391461 | Optical recording medium and recording method | Tadashi Koike, Keiji Ueno, Shinichi Murakami, Sumio Hirose | 1995-02-21 |
| 5387678 | Halogenation process of phthalocyanine and halogenated alkoxyphthalocyanine | Hisato Itoh, Takahisa Oguchi | 1995-02-07 |
| 5380842 | Phthalocyanine compounds and usage thereof | Hisato Itoh, Akio Karasawa, Kenichi Sugimoto, Takahisa Oguchi | 1995-01-10 |
| 5358833 | Amorphous phthalocyanine compound or mixture of amorphous phthalocyanine compounds, and method for preparing same | Hisato Itoh, Takahisa Oguchi, Kenichi Sugimoto | 1994-10-25 |
| 5350843 | Halogenated phthalocyanine compound, method for preparing same | Hisato Itoh, Takahisa Oguchi, Kenichi Sugimoto | 1994-09-27 |
| 5334714 | Method for preparing alkoxyphthalocyanine | Takahisa Oguchi, Kenichi Sugimoto, Hisato Itoh, Mansuke Matsumoto, Toshihiro Masaoka +1 more | 1994-08-02 |
| 5280114 | Halogenation of alkoxyphthalocyanine | Hisato Itoh, Takahisa Oguchi | 1994-01-18 |
| 5196231 | Optical recording media | Sumio Hirose, Shigeru Takahara, Tadashi Koike, Keiji Ueno | 1993-03-23 |
| 5132153 | Optical recording media | Sumio Hirose, Shigeru Takahara, Tadashi Koike, Keiji Ueno | 1992-07-21 |