IP High Court, Reiwa 6 (Ne) 10045 [Wastewater treatment apparatus] <Presiding Judge Hibiku Shimizu>
更新日：4 日前
Article information
Article type: Case note
Category: Patents
Topics: Patent corrections
First published on this website: October 2, 2026
Case number (as stated in the source): Reiwa 6 (Ne) 10045
Display and classification checked: October 2, 2026 (not a re-review of the legal analysis)
IP High Court, Reiwa 6 (Ne) 10045 [Wastewater treatment apparatus] <Presiding Judge Hibiku Shimizu>
* “Oxygen supply means” (element D) was not satisfied.
The defendant's system intentionally and actively adds ozone to the micro/nanobubbles supplied to the second tank (aeration tank).
The patent aims to perform biological treatment by microorganisms in that tank. Because ozone may kill microorganisms, the invention instead addresses early reduction of residual ozone.
Deliberately supplying additional ozone to the tank containing microorganisms runs counter to the invention's purposes—promoting biological treatment and reducing residual ozone—and is incompatible with its technical concept.
⇒ “Oxygen supply means” means supplying oxygen. It does not extend to means that actively supply additional ozone capable of harming microorganisms.
Original article: https://lnkd.in/eWkYc6AR
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Update and correction history
Substantive corrections and supplements are recorded separately from classification, related-article, and display maintenance.
October 2, 2026: First publication of the author's LinkedIn text. Article type, classification, issue tags, source, and consultation guide were added.
Consultation and inquiries
October 2, 2026: Updated topic tags.
