HN

Hideo Nagamatsu

SH Sekisui House: 3 patents #1 of 24Top 5%
Overall (2024): #84,758 of 561,600Top 20%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12104374 Sound insulation structure of partition wall and method for constructing partition wall Miki Okumura 2024-10-01
11933041 Sound-insulating structure for building Miki Okumura 2024-03-19
11866930 Partition wall sound-insulation structure and sound-insulation member for partition wall Miki Okumura 2024-01-09