Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Yoichi Ebina — 4 Patents

PCPolyplastics Co.: 4 patents #61 of 292Top 25%
Overall (All Time): #1,297,428 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5108818 Surface-patterned polybutylene terephthalate resin molded articles and process for preparing such molded articles Shigeru Nedzu, Terutaka Sano 1992-04-28
5104720 Surface-patterned polybutylene terephthalate resin molded articles and process for preparing such molded articles Terutaka Sano, Shigeru Nedzu 1992-04-14
5100717 Surface-patterned polybutylene terephthalate resin molded articles and process for preparing such molded articles Shigeru Nedzu, Terutaka Sano 1992-03-31
5083684 Injection-molded lid for an aerosol container Yoshimasa Ikeda, Masakazu Nakai 1992-01-28