KATO SHUNKO (sometimes incorrectly read as Harumitsu)
加藤春光
Link: http://blog.livedoor.jp/momo2011/archives/3887320.html
KATO GOSUKE
陶玉園 加藤五助
Tougyokuen Kato Gosuke
TAKEUCHI CHUBEI (竹内忠兵衛)
Chubei was noted for his sharkskin glazes, but also for his cloisonné. Many of his sharkskin wares are marked with a number read right to left 五一五二五二二 or left to right 2252515 which is a patent number, Meiji 22 (1890) 5 month 25 day for 15 years (from worthpoint). This mark was used circa 1890-1905.
See:
Yamatouen Sei
松村九助氏 Matsumura Kusuke 1844-1912 Nagoya
Links: