Prosecution Insights
Last updated: April 19, 2026

Mitsubishi Heavy Industries Engine & Turbocharger Ltd.

8 pending office actions

Portfolio Summary

8
Total Pending OAs
3
Final Rejections
5
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18996849 TURBINE HOUSING, TURBINE, AND TURBOCHARGER ZAMORA ALVAREZ, ERIC J 3745 Final Rejection Jan 17, 2025
18992746 PRECHAMBER-TYPE ENGINE LATHERS, KEVIN ANTHONY 3747 Non-Final OA Jan 09, 2025
18841300 ELECTRIC COMPRESSOR HANSEN, KENNETH J 3746 Final Rejection Aug 23, 2024
18839237 GAS BEARING DEVICE PILKINGTON, JAMES 3617 Non-Final OA Aug 16, 2024
18839270 GAS BEARING DEVICE NGUYEN, AIMEE TRAN 3617 Final Rejection Aug 16, 2024
18727936 GAS SEALING STRUCTURE FOR INTERNAL COMBUSTION ENGINE BYRD, EUGENE G 3675 Non-Final OA Jul 10, 2024
18565378 FUEL PUMP BRANDT, DAVID NELSON 3783 Non-Final OA Nov 29, 2023
18290338 FUEL PUMP PLAKKOOTTAM, DOMINICK L 3746 Non-Final OA Nov 13, 2023

Managing Mitsubishi Heavy Industries Engine & Turbocharger Ltd.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month