Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8927845 | Electronic keyboard musical instrument | Takashi Kato | 2015-01-06 |
| 8684617 | Writing instrument | — | 2014-04-01 |
| 7938814 | Disposable diaper | Hidekazu Ito, Hiroshi Inada, Takahiro Arimura | 2011-05-10 |
| 7811187 | Continuously variable transmission | — | 2010-10-12 |
| 7600938 | Refill for correction pen and refill unit | Kyoko Kobayashi, Makoto Ono, Akira Fukai, Hitoshi Nakamura, Kei Omoto +1 more | 2009-10-13 |
| 7520874 | Disposable diaper with improved leak prevention properties | Hidekazu Ito, Ken Nemoto, Kenji Ishiguro | 2009-04-21 |
| 7405865 | Liquid for electrophoretic display, display medium and display device using the same | Yasuaki Ogiwara, Atsushi Sato, Takahiro Osada | 2008-07-29 |
| 7156830 | Disposable diaper including lateral side cores | Hidekazu Ito, Ken Nemoto, Kenji Ishiguro | 2007-01-02 |
| 7094227 | Disposable diaper having leg flap absorbent articles | Kenji Ishiguro, Hidekazu Ito | 2006-08-22 |
| 7063475 | Ink-storing body for writing utensil | Kazuhisa Kirita, Toshimi Kamitani | 2006-06-20 |
| 6878139 | Disposable diaper including lateral side cores | Hidekazu Ito, Ken Nemoto, Kenji Ishiguro | 2005-04-12 |
| 6706030 | Absorbent article | Yasuyuki Okuda, Hisanori Watanabe, Hidekazu Ito | 2004-03-16 |
| 6623393 | Drive belt for continuously variable transmission | — | 2003-09-23 |
| 6517273 | Free-ink type writing instrument | Kazuhisa Kirita, Atsushi Iwasa | 2003-02-11 |
| 6514382 | Process for producing bulky paper | Shusuke Kakiuchi, Kazuhiro Inaba, Hiroyuki Yanagida, Taeko Hayase, Toshiyuki Suga +1 more | 2003-02-04 |
| 6443649 | Free-ink type writing instrument | Kazuhisa Kirita, Atsushi Iwasa | 2002-09-03 |
| 6409408 | Writing instrument | — | 2002-06-25 |
| 6401899 | Parking lock device and method for automatic transmission | Takanori Kanehisa, Yasuhiro Yamauchi | 2002-06-11 |
| 5977211 | Ball point pen filled with erasable ink | — | 1999-11-02 |
| 5944438 | Writing instrument | Yoshiomi Konose | 1999-08-31 |
| 5943374 | Out-of-synchronization recovery method and apparatus of data transmission system | Yoshiro Kokuryo, Yoshio Iwasaki | 1999-08-24 |
| 5755565 | Rotary pump having reinforcing wall in a passage | Masaki Simakura | 1998-05-26 |
| 5716434 | Non-erasable pencil lead | — | 1998-02-10 |
| 5487627 | Counter sink drill | Hiroshi Kasutani, Kouji Hashimoto, Yutaka Adachi | 1996-01-30 |
| 5178908 | Process for coating carbonized material with metal | — | 1993-01-12 |