| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 11 | |
| #2 | United States | 6 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Electrical machinery and energy | |
| #3 | Organic fine chemistry | |
| #4 | Transport | |
| #5 | Measurement | |
| #6 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kawai Toshiyuki | 17 |
| #2 | Yamazaki Shigeaki | 1 |
| #3 | Asano Hiroto | 1 |
| #4 | Kinoshita Shinichi | 1 |
| #5 | Fukui Seikou | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2012039879A | Bathometer | |
| JP2004306093A | Can crushing device | |
| JP2004073149A | Bead | |
| JP2000350540A | Float | |
| JP2001027562A | Bathometer | |
| JP2000298019A | Bathometer | |
| JP2000295950A | Water depth meter | |
| JP2000180161A | Bathometer | |
| JPS5361074A | Pressureesensitive switch | |
| JPS5341782A | Pressureesensitive switch | |
| JPS5328479A | Tire inner pressure reduction alarm |