Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529763 | Laser-welded body and production method therefor | Satoshi Yamamoto | 2022-12-20 |
| 11104080 | Laser welded body and method for manufacturing same | Satoshi Yamamoto | 2021-08-31 |
| 11090874 | Laser welded body | Satoshi Yamamoto | 2021-08-17 |
| 8535472 | Laser-welded article | Satoshi Yamamoto | 2013-09-17 |
| RE44290 | Laser-welded article | Satoshi Yamamoto | 2013-06-11 |
| RE44045 | Laser-welded article | Satoshi Yamamoto | 2013-03-05 |
| 7960012 | Laser-welded article | Satoshi Yamamoto | 2011-06-14 |
| 7960003 | Laser-welded article | Satoshi Yamamoto | 2011-06-14 |
| 7829733 | Change control resin particles and toner for developing electrostatic images | Akihide Isoda, Tohru Tsuruhara | 2010-11-09 |
| 7582787 | Charge control agent, manufacturing process thereof, charge control resin particles and toner for developing electrostatic images | Akihide Isoda, Tohru Tsuruhara | 2009-09-01 |
| 6099632 | Aqueous pigment ink composition | Toshiyuki Nagasawa, Sohko Itoh | 2000-08-08 |
| 5905102 | Aqueous black ink composition for writing board | Toshiyuki Nagasawa, Sohko Itoh | 1999-05-18 |
| 5718746 | Process of producing aqueous pigment ink | Toshiyuki Nagasawa, Sohko Itoh | 1998-02-17 |
| 5407774 | Charge control agent and positively chargeable toner for developing electrostatic images | Chiemi Matsushima, Shun-ichiro Yamanaka, Kazuaki Sukata | 1995-04-18 |