Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9876157 | Surface mount type quartz crystal device | Akihiro Kanamaru, Takuya Kuwayama | 2018-01-23 |
| 7190238 | Surface mounting crystal oscillator | Toru Yoshikawa, Heiji Takado | 2007-03-13 |
| 6901093 | Semiconductor laser device | Kenji Ohgiyama, Makoto Kanda | 2005-05-31 |
| 6703451 | Superabsorbent resin composition | Tadashi Igarashi, Isao Tsuru, Yoko Hanada | 2004-03-09 |
| 6313231 | Superabsorbent resin composition | Tadashi Igarashi, Isao Tsuru, Yoko Hanada | 2001-11-06 |
| 5773542 | Process for producing polymer particles | Takashi Koudate, Yoko Hanada | 1998-06-30 |
| 5631054 | Polyester container and process for producing the same | Nobuyuki Mita, Yutaka Yasuda | 1997-05-20 |
| 4812486 | Absorbent resin with excellent stability | Takatoshi Kobayashi | 1989-03-14 |