Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8300875 | Speaker diaphragm and speaker including the same | Toru Takebe, Masaru Uryu, Takahisa Tagami, Emiko Ikeda | 2012-10-30 |
| 7980355 | Acoustic diaphragm, and method of fabricating acoustic diaphragm | Masaru Uryu, Toru Takebe | 2011-07-19 |
| 7726441 | Acoustic vibratory plate | Masaru Uryu, Yoshio Ohashi | 2010-06-01 |
| 7708111 | Acoustic diaphragm and method for manufacturing an acoustic diaphragm | Masaru Uryu, Takahisa Tagami, Emiko Ikeda | 2010-05-04 |
| 7576154 | Biodegradable material for audio systems | Shinichiro Yamada, Yuko Fujihira, Hiroyuki Mori, Tsutomu Noguchi, Masaru Uryu | 2009-08-18 |
| 7546897 | Speaker diaphragm and method of manufacturing speaker diaphragm | Toru Takebe, Masaru Uryu | 2009-06-16 |
| 7527124 | Loudspeaker diaphragm | Toru Takebe, Masaru Uryu, Takahisa Tagami | 2009-05-05 |
| 7510627 | Acoustic paper diaphragm and acoustic transducer apparatus | Masaru Uryu | 2009-03-31 |
| 7468141 | Method for decorating die surface as well as die | Masaru Uryu | 2008-12-23 |
| 7332215 | Resin-molded component and method for manufacturing thereof as well as diaphragm for loudspeaker | Masaru Uryu | 2008-02-19 |
| 6752906 | Loudspeaker and method for the preparation thereof | Masaru Uryu, Yoshio Ohashi, Satoshi Idemura, Michiya Nakashima, Katsuji Takahashi | 2004-06-22 |
| 6686036 | Material for casing for acoustic equipment and casing for acoustic equipment fabricated therefrom | Masaru Uryu, Masayuki Kamite | 2004-02-03 |
| 6554962 | Loudspeaker diaphragm | Masaru Uryu, Yoshio Ohashi, Satoshi Idemura, Michiya Nakashima, Katsuji Takahashi | 2003-04-29 |
| 6410618 | Polymeric composite material and method of manufacturing the same | Masaru Uryu | 2002-06-25 |
| 6274652 | Composite polymer materials and process for producing the same | Masaru Uryu | 2001-08-14 |
| 6071449 | Acoustic diaphragm molding metal mold apparatus and acoustic diaphragm molding method | Masaru Uryu | 2000-06-06 |
| 6037411 | Acoustic vibrational material of fiber reinforcement with epoxy resin and epoxy-reactive polybutadiene | Masaru Uryu, Seiji Matsuura | 2000-03-14 |
| 5972159 | Optical recording disc recycling method | Masaru Uryu, Jun Kishigami | 1999-10-26 |
| 5663220 | Acoustic vibrational material from fiber-reinforced polybutadiene-modified epoxy resin | Masaru Uryu, Seiji Matsuura | 1997-09-02 |
| 5590212 | Diaphragm for a capacitance type loudspeaker | Masaru Uryu, Ikuo Chatani, Ikuo Mizoguchi, Mamoru Ito | 1996-12-31 |
| 5533134 | Motional feedback loudspeaker apparatus having a coupling member for connecting a voice coil bobbin with a detecting coil bobbin | Masaru Uryu, Kenji Yamada | 1996-07-02 |
| 5445555 | Resin material reclaimed from optical recording disk and method of reclaiming same | Masaru Uryu | 1995-08-29 |
| 5180785 | Diaphragm and method for producing same | Masaru Uryu, Kyouji Muraoka | 1993-01-19 |