Infringement
(Conclusion)
Infringement is NOT found.
The claim phrase “approximately 1/2” was considered non-infringement.
Some of the defendant’s products were within the technical scope of the invention, but were judged to be non-infringing.
<Writer: Hideki Takaishi (Attorney-at-law licensed in Japan and California)>
https://www.courts.go.jp/ip/eng/assets/ip/eng/chizai_en/chizai_en-pdf-2894.pdf