SH

Shoji Hirayama

HK Hirayama Setsubi Kabushiki Kaisha: 4 patents #1 of 9Top 15%
NE Nec: 1 patents #7,889 of 14,502Top 55%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #585,587 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7132003 Air clean apparatus Kensuke Hirayama 2006-11-07
6048499 Antiseptic clean system 2000-04-11
6044262 Wireless device with automatic auto-response setting function 2000-03-28
5102437 Mounting frame for a filter disposed at the front of the ceiling in a clean room 1992-04-07
4873914 Clean room system and unit for the same clean room system 1989-10-17
4854224 Air cleaning apparatus and construction of clean room with the same 1989-08-08
4841847 Air cleaning apparatus and construction of clean room with the same 1989-06-27
4639549 Cordless telephone Mitsuharu Inada 1987-01-27
4592210 Air conditioner 1986-06-03