Issued Patents All Time
Showing 51–75 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020523 | Absorbent article for animal | Kenji Hiroshima | 2011-09-20 |
| 7987818 | Animal litter box | Takayuki Matsuo, Kenji Hiroshima, Nobuaki Namikawa | 2011-08-02 |
| 7947994 | Nitride semiconductor device | Koji Tanizawa, Tomotsugu Mitani, Yoshinori Nakagawa, Hironori Takagi, Hiromitsu Marui +1 more | 2011-05-24 |
| 7895976 | Animal litter | Takayuki Matsuo | 2011-03-01 |
| 7856945 | Animal litter box | Takayuki Matsuo, Kenji Hiroshima | 2010-12-28 |
| 7849818 | Animal litter box | Takayuki Matsuo, Kenji Hiroshima | 2010-12-14 |
| 7832357 | Animal litter box | Takayuki Matsuo, Kenji Hiroshima, Nobuaki Namikawa | 2010-11-16 |
| 7793616 | Animal litter for animals | — | 2010-09-14 |
| 7678221 | Pet waste absorption sheet and process for manufacturing the same | Masayuki Takahashi, Shinya Kaneko | 2010-03-16 |
| 7493870 | Pet waste absorption sheet and process for manufacturing the same | Masayuki Takahashi, Shinya Kaneko | 2009-02-24 |
| 7467600 | Animal litter | Takayuki Matsuo, Shingo Shimizu | 2008-12-23 |
| 7402838 | Nitride semiconductor device | Koji Tanizawa, Tomotsugu Mitani, Yoshinori Nakagawa, Hironori Takagi, Hiromitsu Marui +1 more | 2008-07-22 |
| 7387085 | Animal litter | Takayuki Matsuo, Shingo Shimizu | 2008-06-17 |
| 7380519 | Pet litter box | Takayuki Matsuo | 2008-06-03 |
| 7195618 | Diaper for male pet | — | 2007-03-27 |
| 7193246 | Nitride semiconductor device | Koji Tanizawa, Tomotsugu Mitani, Yoshinori Nakagawa, Hironori Takagi, Hiromitsu Marui +1 more | 2007-03-20 |
| 7131396 | Animal toilet | Takayuki Matsuo | 2006-11-07 |
| 7035016 | Tip optical element for immersion microscope objectives | Osamu Nishimura | 2006-04-25 |
| 6994054 | Animal litter box | Takayuki Matsuo | 2006-02-07 |
| 6803710 | Shadow mask with curved and rectangular slots | Toshihiro Hatori | 2004-10-12 |
| 6553938 | Pet sheet | Kengo Ochi | 2003-04-29 |
| 6460484 | Pet sheet | Kengo Ochi | 2002-10-08 |
| 6405678 | Granular absorbent article for pet animals | Kengo Ochi | 2002-06-18 |
| 5585224 | Method of producing aperture grill | Akira Makita, Osamu Nakamura, Yasuhiko Ishii | 1996-12-17 |
| 5567555 | Method for manufacturing shadow mask and shadow mask manufactured by said method | Osamu Nakamura | 1996-10-22 |