Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8568950 | Polyester resin for toner, electrostatic-image-developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Hirofumi Shiozaki, Sumiaki Yamasaki, Satoshi Hiraoka, Susumu Yoshino, Hirotaka Matsuoka +1 more | 2013-10-29 |
| 8541153 | Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatus | Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Fumiaki Mera | 2013-09-24 |
| 8518424 | Resin powder for dermatologic composition, skin cleansing agent and cosmetic composition using the powder, and preparation processes of the powder | Yasuo Matsumura, Takayoshi Aoki, Etsuo Tominaga | 2013-08-27 |
| 8309292 | Polyester resin for electrostatic image developing toner and manufacturing method of the same, electrostatic image developing toner, electrostatic image developer and image forming apparatus | Masaki Hirakata, Hideo Maehata, Hirotaka Matsuoka | 2012-11-13 |
| 8288071 | Resin particle liquid dispersion for electrostatic image developing toner, electrostatic image developing toner, production method thereof, developer and image forming method | Satoshi Hiraoka, Fumiaki Mera, Hirotaka Matsuoka, Yasuo Matsumura | 2012-10-16 |
| 8263303 | Method for producing colored resin particle dispersion liquid, colored resin particle dispersion liquid, and electrophotographic liquid developer | Hirotaka Matsuoka, Satoshi Hiraoka, Fumiaki Mera, Yasuo Matsumura | 2012-09-11 |
| 8039186 | Toner for developing electrostatic image, developer for developing electrostatic image, and method for forming image | Fumiaki Mera, Satoshi Hiraoka, Hirotaka Matsuoka, Yasuo Matsumura | 2011-10-18 |
| 8003821 | Bronsted acid compound, manufacturing method of condensation compound, dispersion liquid of condensation compound particles, manufacturing method of electrostatic image developing toner, manufacturing method of binder resin, binder resin, dispersion liquid of resin particles, electrostatic image developing toner, electrostatic image developer, and image-forming method | Hirotaka Matsuoka, Satoshi Hiraoka, Fumiaki Mera, Yasuo Matsumura | 2011-08-23 |
| 7981583 | Binder resin for electrostatic image developing toner, binder resin particle liquid dispersion for electrostatic image developing toner, production method of electrostatic image developing toner, electrostatic image developing toner, electrostatic image developer, image forming method and image forming apparatus | Hirotaka Matsuoka | 2011-07-19 |
| 7776994 | Resin particle dispersion liquid, and method for producing the same | Fumiaki Mera, Hirotaka Matsuoka, Satoshi Hiraoka, Yasuo Matsumura | 2010-08-17 |
| 7695886 | Process for producing resin particle liquid dispersion for electrostatic image developing toner, electrostatic image developing toner and production process thereof | Yasuo Matsumura, Hirotaka Matsuoka, Satoshi Hiraoka, Fumiaki Mera, Hideo Maehata | 2010-04-13 |
| 7662536 | Resin particle liquid dispersion for electrostatic image developing toner, production process of the liquid dispersion, electrostatic image developing toner, production process of the toner, electrostatic image developer and image forming method | Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Satoshi Hiraoka, Fumiaki Mera | 2010-02-16 |
| 7645553 | Image forming method using toner having block copolymer | Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Satoshi Hiraoka, Fumiaki Mera | 2010-01-12 |
| 7645457 | Emulsified cosmetics | Yasuo Matsumura | 2010-01-12 |
| 7629098 | Method of producing toner for developing electrostatic charge image, toner for developing electrostatic charge image, developer for electrostatic charge image and method for forming image | Yasuo Matsumura, Hirotaka Matsuoka, Satoshi Hiraoka, Fumiaki Mera, Hideo Maehata | 2009-12-08 |
| 7560213 | Resin particle liquid dispersion for electrostatic image developing toner, production process of the liquid dispersion, electrostatic image developing toner, production process of the toner, electrostatic image developer and image forming method | Hirotaka Matsuoka, Yasuo Matsumura, Fumiaki Mera, Satoshi Hiraoka | 2009-07-14 |
| 7547500 | Binder resin for electrostatic image developing toner, binder resin liquid dispersion for electrostatic image developing toner, electrostatic image developing toner, and production processes thereof | Satoshi Hiraoka, Fumiaki Mera, Hirotaka Matsuoka, Yasuo Matsumura | 2009-06-16 |
| 7524603 | Binder resin for electrostatic image developing toner, binder resin liquid dispersion for electrostatic image developing toner, electrostatic image developing toner and production processes thereof | Fumiaki Mera, Hirotaka Matsuoka, Satoshi Hiraoka, Yasuo Matsumura | 2009-04-28 |
| 7510811 | Toner for developing electrostatic image and resin particle disperision solution for toner for developing electrostatic image | Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Satoshi Hiraoka, Fumiaki Mera | 2009-03-31 |
| 7473511 | Particle dispersion for electrostatic image-developing toners, electrostatic image-developing toner, and method for producing the same | Yasuo Matsumura, Hirotaka Matsuoka, Hideo Maehata, Satoshi Hiraoka, Fumiaki Mera | 2009-01-06 |
| 7455944 | Toner for developing electrostatic latent images and manufacturing method thereof, developer for developing electrostatic latent images, image forming method, and method for manufacturing dispersion of resin particles | Hideo Maehata, Yasuo Yamamoto, Satoshi Hiraoka, Yasuo Matsumura, Hirotaka Matsuoka +1 more | 2008-11-25 |
| 7250453 | Anti-bacterial composite particles and anti-bacterial resin composition | Shuji Sakuma, Tomoki Saito, Yasuo Matsumura, Etsuo Tominaga, Takayoshi Aoki | 2007-07-31 |
| 6893649 | Solid powder cosmetics | Yasuo Matsumura | 2005-05-17 |