JP Patent

JP4047658B2 — 単層型電子写真感光体、電子写真方法、電子写真装置、及び電子写真装置用プロセスカートリッジ

Assigned to Ricoh Co Ltd · Expires 2008-02-13 · 18y expired

What this patent protects

Patent listed against Kalydeco.

Drugs covered by this patent

Kalydeco (IVACAFTOR) · Vertex Pharms Inc

Patent Metadata

Patent number: JP4047658B2
Jurisdiction: JP
Classification: —
Expires: 2008-02-13
Drug substance claim: No
Drug product claim: No
Assignee: Ricoh Co Ltd
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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