| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 10 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology | |
| #3 | Semiconductors |
| # | Technology | |
|---|---|---|
| #1 | Casings and printed circuits | |
| #2 | Devices using light amplification | |
| #3 | Optical systems | |
| #4 | Semiconductor devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koyama Kenji | 11 |
| #2 | Yamagami Jun | 1 |
| #3 | Katsuyama Tsukuru | 1 |
| #4 | Hashimoto Jun-Ichi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2013231262A | Reinforcing base fabric for urethane foam molding | |
| JP2003102609A | Alarm pillow | |
| JP2003040305A | Hole opening/closing structure, and seasoning vessel | |
| JP2002308393A | Liquid taking out device | |
| JP2002159884A | Water repelling nozzle | |
| JP2002089088A | Doorknob | |
| JPH10322172A | Storage circuit | |
| JPH11204217A | Receptacle tap | |
| JPH11130164A | Volume regulating container | |
| JPH0774593A | Storage circuit by logic circuit |