Kenzou Kassai
195Patents
32h-index
21Co-inventors
90Inventor score
Filing activity: May 24, 1976 → Dec 5, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5181289A | Bed apparatus and rehabilitation attachment | Emerging Cross-Sectional Technologies | 111 | Expired |
| US4560022A | Electrically driven children's vehicle | Emerging Cross-Sectional Technologies | 102 | Expired |
| US5333334A | Human body moving apparatus | Human Necessities | 92 | Expired |
| US4317581A | Baby carriage | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4753643A | Disposable diaper | Human Necessities | 60 | Expired |
| US5752738A | Seat for baby carriage | Performing Operations; Transporting | 56 | Expired |
| US4817982A | Foldable baby carriage with basket | Performing Operations; Transporting | 56 | Expired |
| US4723813A | Table attaching construction for nursing chairs | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4632456A | Children's automobile-mounted safety seat | Performing Operations; Transporting | 51 | Expired |
| US6257468A | Baby carrier | Human Necessities | 50 | Expired |
| US4614454A | Baby carriage grip rod locking mechanism | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4706986A | Mechanism for locking opened state of baby carriage | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6485101B2 | Child seat with movable side head guards | Performing Operations; Transporting | 44 | Expired |
| US5645317A | Child seat apparatus | Performing Operations; Transporting | 43 | Expired |
| US4386790A | Baby carriage | Performing Operations; Transporting | 43 | Expired |
| US4261588A | Vehicle for children | Performing Operations; Transporting | 42 | Expired |
| US4586399A | Handcart handle height adjusting mechanism | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4545599A | Connecting structure between push rods and push rod-connecting rod in baby carriage | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4362315A | Baby carriage | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4714261A | Steering wheel fixing construction for toy vehicles | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6170911A | Child seat | Performing Operations; Transporting | 39 | Expired |
| US7494031B2 | Nursery band | Human Necessities | 39 | Expired |
| US4697823A | Mechanism for locking opened and closed states of baby carriage | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4700831A | Compartmented packaging box for commodity and accessory | Performing Operations; Transporting | 38 | Expired |
| US4779879A | Baby carriage | Performing Operations; Transporting | 37 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.