Patent search ap:("キヤノン株式会社") AND inv:"IWAI HISAMI" Page 1

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发明专利
Electron emitting device, method of manufacturing the electron beam generating apparatus and image forming apparatus 失效

公开(公告)号：JP2961477B2

公开(公告)日：1999-10-12

申请号：JP35979592

申请日：1992-12-29

Applicant: キヤノン株式会社

Inventor： IWAI HISAMI , FUJIWARA RYOJI , SAKANO YOSHIKAZU , KAWATE SHINICHI , MITSUMICHI KAZUHIRO , NOMURA ICHIRO

IPC: H01J1/316 , H01J1/30 , H01J9/02 , H01J21/06 , H01J29/04 , H01J31/12

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