P

Inventor

OKUBO HIROFUMI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “OKUBO HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

7 patents
US10942327B2Mar 9, 2021

Centering mechanism, lens unit, projection system, and projector

SEIKO EPSON CORP4 citations69
US12072615B2Aug 27, 2024

Projection optical apparatus that is removable installed in a light emitting apparatus and projector

SEIKO EPSON CORP2 citations66
US12313960B2May 27, 2025

Mounting member and projection optical apparatus

SEIKO EPSON CORP0 citations60
US11019313B2May 25, 2021

Projection optical apparatus and projector

SEIKO EPSON CORP1 citations59
US11415868B2Aug 16, 2022

Projection optical apparatus having reinforcing member and projector

SEIKO EPSON CORP0 citations48
US11921407B2Mar 5, 2024

Fixing device, projection optical device, and projector

SEIKO EPSON CORP0 citations45
US9933695B2Apr 3, 2018

Position detection device, optical device, light source device, and projector

SEIKO EPSON CORP0 citations37

SATO TETSUYA

1 patent
US8448950B2May 28, 2013

Split mechanical seal

SATO TETSUYA8 citations82

RHEON AUTOMATIC MACHINERY CO

1 patent
US12302937B2May 20, 2025

Solid objects feeder and apparatus for manufacturing food product with solid objects feeder

RHEON AUTOMATIC MACHINERY CO0 citations50