YY

Yoshikazu Yamada

Honda Motor Co.: 24 patents #415 of 21,052Top 2%
TC Tasaki & Co.: 12 patents #2 of 3Top 70%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
MC Mitsui Chemicals: 4 patents #512 of 2,279Top 25%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
MI Mitsui Petrochemical Industries: 2 patents #322 of 1,024Top 35%
MI Mitsuibshi Heavy Industries: 1 patents #4 of 121Top 4%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
OI Olympus Imaging: 1 patents #211 of 341Top 65%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
KE Keihin: 1 patents #237 of 596Top 40%
KS Komatsu Shisakusho: 1 patents #409 of 885Top 50%
MC Mitsubishi Heavy Industries Compressor: 1 patents #105 of 209Top 55%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
📍 Tokyo, CA: #90 of 583 inventorsTop 20%
Overall (All Time): #18,228 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 1–25 of 89 patents

Patent #TitleCo-InventorsDate
D1086928 Earring 2025-08-05
D1079535 Earring 2025-06-17
D1079536 Pendant 2025-06-17
D1079534 Earring 2025-06-17
D1064905 Finger ring 2025-03-04
D1064902 Finger ring 2025-03-04
D1064895 Necklace 2025-03-04
D1044570 Earring 2024-10-01
D1044572 Brooch 2024-10-01
D1044571 Brooch 2024-10-01
D1044569 Earring 2024-10-01
D1044567 Finger ring 2024-10-01
D1044566 Finger ring 2024-10-01
D1036297 Pendant 2024-07-23
D1036296 Pendant 2024-07-23
D1036295 Pendant 2024-07-23
D1027711 Earring or pendant 2024-05-21
D1026717 Finger ring 2024-05-14
D1026716 Finger ring 2024-05-14
D1026721 Earring 2024-05-14
D1026722 Earring 2024-05-14
D1026719 Earring 2024-05-14
D1026712 Necklace 2024-05-14
D1026720 Earring 2024-05-14
D953922 Finger ring 2022-06-07