| US 7,521,164 B2 | ||
| Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method | ||
| Shinya Nakayama, Numazu (Japan); Satoshi Mochizuki, Numazu (Japan); Yasuaki Iwamoto, Numazu (Japan); Yasuo Asahina, Numazu (Japan); Akihiro Kotsugai, Numazu (Japan); Masayuki Ishii, Numazu (Japan); Osamu Uchinokura, Numazu (Japan); Hisashi Nakajima, Numazu (Japan); Tomoyuki Ichikawa, Numazu (Japan); Tomoko Utsumi, Ebina (Japan); Koichi Sakata, Numazu (Japan); Hideki Sugiura, Fuji (Japan); Shigeru Emoto, Numazu (Japan); Junichi Awamura, Sunto-gun (Japan); Masami Tomita, Numazu (Japan); Takahiro Honda, Numazu (Japan); Shinichiro Yagi, Numazu (Japan); Tomomi Suzuki, Numazu (Japan); Hiroshi Yamada, Numazu (Japan); Toshiki Nanya, Mishima (Japan); Hiroto Higuchi, Numazu (Japan); Fumihiro Sasaki, Fuji (Japan); and Naohito Shimota, Sunto-gun (Japan) | ||
| Assigned to Ricoh Company, Ltd., Tokyo (Japan) | ||
| Filed on Mar. 31, 2008, as Appl. No. 12/59,199. | ||
| Application 12/059199 is a division of application No. 11/378653, filed on Mar. 20, 2006, granted, now 7,374,851. | ||
| Application 11/378653 is a continuation of application No. PCT/JP2004/013559, filed on Sep. 16, 2004. | ||
| Claims priority of application No. 2003-325532 (JP), filed on Sep. 18, 2003; and application No. 2004-004424 (JP), filed on Jan. 09, 2004. | ||
| Prior Publication US 2008/0268366 A1, Oct. 30, 2008 | ||
| Int. Cl. G03G 9/00 (2006.01) | ||
| U.S. Cl. 430—111.4 [430/109.4] | 7 Claims |
| 1. A toner comprising:
a toner material; and
resin fine particles on a surface of the toner,
wherein the toner has a glass-transition temperature, Tg, of from 30° C. to 46° C., the resin fine particles have a glass-transition
temperature, Tg, of from 50° C. to 70° C., and
wherein, when the toner has been masticated with Labo Plastomill, the toner has a ½ flown-out temperature of from 95° C. to
120° C., and before the mastication of the toner, the toner has a ½ flown-out temperature of from 120° C. to 145° C.
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