| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 9 | |
| #2 | China | 3 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Measuring distances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okumura Akihiro | 4 |
| #2 | Uda Tomonori | 3 |
| #3 | Ariki Mariko | 2 |
| #4 | Mizoguchi Hiroki | 2 |
| #5 | Shibata Yoshikazu | 2 |
| #6 | Suzuki Kinya | 2 |
| #7 | Ichikawa Junji | 2 |
| #8 | Michinori Migita | 1 |
| #9 | Akihiro Okumura | 1 |
| #10 | Migita Michinori | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020204576A | Retroreflector | |
| JP2019138070A | Level adjusting device for level indicator and program | |
| JP2019138794A | Optical receiver | |
| JP2019007571A | clip | |
| CN106352907A | Telescopic bar for measuring | |
| JP2017009543A | Telescopic pole for surveying use | |
| JP2016017828A | Reflection target device for measurement | |
| JP2014085327A | Slide type fixing mechanism | |
| JP2014025882A | Survey pole | |
| JP2011232081A | Automatic lifting system in electric lifting unit of surveying instrument |